UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

o

Rule 13d-1(b)

o

Rule 13d-1(c)

x

Rule 13d-1(d)

CUSIP No. 550021109

1.

Names of Reporting Persons
Highland Capital Partners VI Limited Partnership

2.

Check the Appropriate Box if a Member of a Group (See Instructions)

(a)

o

(b)

o

3.

SEC Use Only

4.

Citizenship or Place of Organization
Delaware

Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With

5.

Sole Voting Power
—

6.

Shared Voting Power
2,430,990

7.

Sole Dispositive Power
—

8.

Shared Dispositive Power
2,430,990

9.

Aggregate Amount Beneficially Owned by Each Reporting Person
2,430,990

10.

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)  o
—

11.

Percent of Class Represented by Amount in Row (9)
3.6%

12.

Type of Reporting Person (See Instructions)
PN

CUSIP No. 550021109

1.

Names of Reporting Persons
Highland Capital Partners VI-B Limited Partnership

2.

Check the Appropriate Box if a Member of a Group (See Instructions)

(a)

o

(b)

o

3.

SEC Use Only

4.

Citizenship or Place of Organization
Delaware

Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With

5.

Sole Voting Power
—

6.

Shared Voting Power
1,332,748

7.

Sole Dispositive Power
—

8.

Shared Dispositive Power
1,332,748

9.

Aggregate Amount Beneficially Owned by Each Reporting Person
1,332,748

10.

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)  o
—

11.

Percent of Class Represented by Amount in Row (9)
2.0%

12.

Type of Reporting Person (See Instructions)
PN

CUSIP No. 550021109

1.

Names of Reporting Persons
Highland Entrepreneurs’ Fund VI Limited Partnership

2.

Check the Appropriate Box if a Member of a Group (See Instructions)

(a)

o

(b)

o

3.

SEC Use Only

4.

Citizenship or Place of Organization
Delaware

Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With

5.

Sole Voting Power
—

6.

Shared Voting Power
120,489

7.

Sole Dispositive Power
—

8.

Shared Dispositive Power
120,489

9.

Aggregate Amount Beneficially Owned by Each Reporting Person
120,489

10.

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)  o
—

11.

Percent of Class Represented by Amount in Row (9)
0.2%

12.

Type of Reporting Person (See Instructions)
PN

CUSIP No. 550021109

1.

Names of Reporting Persons
HEF VI Limited Partnership

2.

Check the Appropriate Box if a Member of a Group (See Instructions)

(a)

o

(b)

o

3.

SEC Use Only

4.

Citizenship or Place of Organization
Delaware

Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With

5.

Sole Voting Power
—

6.

Shared Voting Power
120,489

7.

Sole Dispositive Power
—

8.

Shared Dispositive Power
120,489

9.

Aggregate Amount Beneficially Owned by Each Reporting Person
120,489

10.

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)  o
—

11.

Percent of Class Represented by Amount in Row (9)
0.2%

12.

Type of Reporting Person (See Instructions)
PN

CUSIP No. 550021109

1.

Names of Reporting Persons
Highland Management Partners VI Limited Partnership

2.

Check the Appropriate Box if a Member of a Group (See Instructions)

(a)

o

(b)

o

3.

SEC Use Only

4.

Citizenship or Place of Organization
Delaware

Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With

5.

Sole Voting Power
—

6.

Shared Voting Power
3,763,738

7.

Sole Dispositive Power
—

8.

Shared Dispositive Power
3,763,738

9.

Aggregate Amount Beneficially Owned by Each Reporting Person
3,763,738

10.

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)  o
—

11.

Percent of Class Represented by Amount in Row (9)
5.6%

12.

Type of Reporting Person (See Instructions)
PN

CUSIP No. 550021109

1.

Names of Reporting Persons
Highland Management Partners VI, Inc.

2.

Check the Appropriate Box if a Member of a Group (See Instructions)

(a)

o

(b)

o

3.

SEC Use Only

4.

Citizenship or Place of Organization
Delaware

Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With

5.

Sole Voting Power
—

6.

Shared Voting Power
3,884,227

7.

Sole Dispositive Power
—

8.

Shared Dispositive Power
3,884,227

9.

Aggregate Amount Beneficially Owned by Each Reporting Person
3,884,227

10.

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)  o
—

11.

Percent of Class Represented by Amount in Row (9)
5.8%

12.

Type of Reporting Person (See Instructions)
CO

CUSIP No. 550021109

1.

Names of Reporting Persons
Robert F. Higgins

2.

Check the Appropriate Box if a Member of a Group (See Instructions)

(a)

o

(b)

o

3.

SEC Use Only

4.

Citizenship or Place of Organization
Delaware

Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With

5.

Sole Voting Power
—

6.

Shared Voting Power
3,884,227

7.

Sole Dispositive Power
—

8.

Shared Dispositive Power
3,884,227

9.

Aggregate Amount Beneficially Owned by Each Reporting Person
3,884,227

10.

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)  o
—

11.

Percent of Class Represented by Amount in Row (9)
5.8%

12.

Type of Reporting Person (See Instructions)
IN

CUSIP No. 550021109

1.

Names of Reporting Persons
Paul A. Maeder

2.

Check the Appropriate Box if a Member of a Group (See Instructions)

(a)

o

(b)

o

3.

SEC Use Only

4.

Citizenship or Place of Organization
Delaware

Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With

5.

Sole Voting Power
—

6.

Shared Voting Power
3,884,227

7.

Sole Dispositive Power
—

8.

Shared Dispositive Power
3,884,227

9.

Aggregate Amount Beneficially Owned by Each Reporting Person
3,884,227

10.

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)  o
—

11.

Percent of Class Represented by Amount in Row (9)
5.8%

12.

Type of Reporting Person (See Instructions)
IN

CUSIP No. 550021109

1.

Names of Reporting Persons
Daniel J. Nova

2.

Check the Appropriate Box if a Member of a Group (See Instructions)

(a)

o

(b)

o

3.

SEC Use Only

4.

Citizenship or Place of Organization
Delaware

Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With

5.

Sole Voting Power
—

6.

Shared Voting Power
3,884,227

7.

Sole Dispositive Power
—

8.

Shared Dispositive Power
3,884,227

9.

Aggregate Amount Beneficially Owned by Each Reporting Person
3,884,227

10.

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)  o
—

11.

Percent of Class Represented by Amount in Row (9)
5.8%

12.

Type of Reporting Person (See Instructions)
IN

CUSIP No. 550021109

1.

Names of Reporting Persons
Sean M. Dalton

2.

Check the Appropriate Box if a Member of a Group (See Instructions)

(a)

o

(b)

o

3.

SEC Use Only

4.

Citizenship or Place of Organization
Delaware

Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With

5.

Sole Voting Power
—

6.

Shared Voting Power
3,884,227

7.

Sole Dispositive Power
—

8.

Shared Dispositive Power
3,884,227

9.

Aggregate Amount Beneficially Owned by Each Reporting Person
3,884,227

10.

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)  o
—

11.

Percent of Class Represented by Amount in Row (9)
5.8%

12.

Type of Reporting Person (See Instructions)
IN

CUSIP No. 550021109

1.

Names of Reporting Persons
Fergal J. Mullen

2.

Check the Appropriate Box if a Member of a Group (See Instructions)

(a)

o

(b)

o

3.

SEC Use Only

4.

Citizenship or Place of Organization
Delaware

Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With

5.

Sole Voting Power
—

6.

Shared Voting Power
3,884,227

7.

Sole Dispositive Power
—

8.

Shared Dispositive Power
3,884,227

9.

Aggregate Amount Beneficially Owned by Each Reporting Person
3,884,227

10.

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)  o
—

11.

Percent of Class Represented by Amount in Row (9)
5.8%

12.

Type of Reporting Person (See Instructions)
IN

CUSIP No. 550021109

1.

Names of Reporting Persons
Corey M. Mulloy

2.

Check the Appropriate Box if a Member of a Group (See Instructions)

(a)

o

(b)

o

3.

SEC Use Only

4.

Citizenship or Place of Organization
Delaware

Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With

5.

Sole Voting Power
—

6.

Shared Voting Power
3,884,227

7.

Sole Dispositive Power
—

8.

Shared Dispositive Power
3,884,227

9.

Aggregate Amount Beneficially Owned by Each Reporting Person
3,884,227

10.

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)  o
—

11.

Percent of Class Represented by Amount in Row (9)
5.8%

12.

Type of Reporting Person (See Instructions)
IN

CUSIP No. 550021109

CUSIP No. 550021109

Item 1.

(a)

Name of Issuer
lululemon athletica inc.

(b)

Address of Issuer’s Principal Executive Offices
2285 Clark Drive,
Vancouver, British Columbia, V5N 3G9

Item 2.

(a)

Name of Person Filing
The reporting persons are:

Highland Capital Partners VI Limited Partnership (“Highland Capital VI”);

Highland Capital Partners VI-B Limited Partnership (“Highland Capital VI-B”);

Highland Entrepreneurs’ Fund VI Limited Partnership (“Highland Entrepreneurs’ Fund”);

HEF VI Limited Partnership (“HEF VI”);

Highland Management Partners V Limited Partnership (“HMP VI”);

Highland Management Partners V, Inc. (“Highland Management”);

Robert F. Higgins (“Mr. Higgins”);

Paul A. Maeder (“Mr. Maeder”);

Daniel J. Nova (“Mr. Nova”);

Sean M. Dalton (“Mr. Dalton”);

Fergal J. Mullen (“Mr. Mullen”); and

Corey M. Mulloy (“Mr. Mulloy”)

(b)

Address of Principal Business Office or, if none, Residence
The address of each of the reporting persons is:

c/o Highland Capital Partners
92 Hayden Avenue
Lexington, Massachusetts 02421

CUSIP No. 550021109

(d)

Title of Class of Securities
This Schedule 13G report related to the Common Stock, par value $0.01 per share (the “Common Stock”), of lululemon athletica inc.

(e)

CUSIP Number
550021109

Item 3.

If this statement is filed pursuant to §§240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:

(a)

o

Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).

(b)

o

Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).

(c)

o

Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c).

(d)

o

Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8).

(e)

o

An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E);

(f)

o

An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F);

(g)

o

A parent holding company or control person in accordance with §240.13d-1(b)(1)(ii)(G);

(h)

o

A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

(i)

o

A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);

(j)

o

Group, in accordance with §240.13d-1(b)(1)(ii)(J).

Not applicable.

Item 4.

Ownership

Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1.

(a)

Amount beneficially owned:   

As of December 31, 2007 each of the following is the owner of record of the number of shares of Common Stock set forth next to his or its name:

As of December 31, 2007, Highland Capital VI was the record owner of and beneficially owned 2,430,990 shares (the “HCVI Shares”) of Common Stock. Highland Capital VI has the power to vote or direct the disposition of all of the HCVI Shares.  Such power is exercised through Highland Management as the sole general partner of HMP VI as the sole general partner of Highland Capital VI.

As of December 31, 2007, Highland Capital VI-B was the record owner of and beneficially owned 1,332,748 shares (the “HCVI-B Shares” and together with the HCVI Shares, the “HC Shares”) of Common Stock.  Highland Capital VI-B has the power to vote or direct the disposition of all of the HCVI-B Shares.  Such power is exercised through Highland Management as the sole general partner of HMP VI as the sole general partner of Highland Capital VI-B.

As of December 31, 2007, Highland Entrepreneurs’ Fund was the record owner of and beneficially owned 120,489 shares (the “HEF Shares” and together with the HC Shares, the “Shares”) of Common Stock.  Highland Entrepreneurs’ Fund has the power to vote or direct the disposition of all of the HEF Shares.  Such power is exercised through Highland Management as the sole general partner of HEF VI as the sole general partner of Highland Entrepreneurs’ Fund.

CUSIP No. 550021109

HMP VI, as the general partner of Highland Capital VI and Highland Capital VI-B, may be deemed to own the HC Shares beneficially and HEF VI, as the general partner of Highland Entrepreneurs' Fund, may be deemed to own the HEF Shares beneficially.  Each of HMP VI and HEF VI disclaims beneficial ownership of the shares held by the Highland  Investing Entities, except to the extent of each such entity's pecuniary interest therein.

Highland Management, as the general partner of HMP VI and HEF VI, may be deemed to own the Shares beneficially.  The Managing Directors have the power over all investment decisions of Highland Management and therefore may be deemed to share beneficial ownership of the Shares by virtue of their status as controlling persons of Highland Management.  Highland Management and each of the Managing Directors disclaims beneficial ownership of the Shares, except to the extent of each such entity's pecuniary interest therein.

(b)

Percent of class:

Highland Capital V

3.6

%

Highland Capital V-B

2.0

%

Highland Entrepreneurs’ Fund

0.2

%

HEF V

0.2

%

HMP V

5.6

%

Highland Management

5.8

%

Mr. Higgins

5.8

%

Mr. Maeder

5.8

%

Mr. Nova

5.8

%

Mr. Dalton

5.8

%

Mr. Mullen

5.8

%

Mr. Mulloy

5.8

%

(c)

Number of shares as to which the person has:

NUMBER OF SHARES

Reporting Person

(i)

(ii)

(iii)

(iv)

Highland Capital VI

0

2,430,990

0

2,430,990

Highland Capital VI-B

0

1,332,748

0

1,332,748

Highland Entrepreneurs’ Fund

0

120,489

0

120,489

HEF VI

0

120,489

0

120,489

HMP VI

0

3,763,738

0

3,763,738

Highland Management

0

3,884,227

0

3,884,227

Mr. Higgins

0

3,884,227

0

3,884,227

Mr. Maeder

0

3,884,227

0

3,884,227

Mr. Nova

0

3,884,227

0

3,884,227

Mr. Dalton

0

3,884,227

0

3,884,227

Mr. Mullen

0

3,884,227

0

3,884,227

Mr. Mulloy

0

3,884,227

0

3,884,227

CUSIP No. 550021109

Each of Highland Capital VI, Highland Capital VI-B, Highland Entrepreneurs’ Fund, HEF VI, HMP VI, Highland Management and the Managing Directors expressly disclaims beneficial ownership of any shares of the Common Stock of lululemon athletica inc., except any shares except to the extent of his or its pecuniary interest therein and any shares held directly of record.

(i)

Sole power to vote or to direct the vote   

(ii)

Shared power to vote or to direct the vote    

(iii)

Sole power to dispose or to direct the disposition of   

(iv)

Shared power to dispose or to direct the disposition of   

Item 5.

Ownership of Five Percent or Less of a Class

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following   o.

Item 6.

Ownership of More than Five Percent on Behalf of Another Person

Not applicable.

Item 7.

Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Control Person

Not applicable.

Item 8.

Identification and Classification of Members of the Group

Each of the Reporting Persons expressly disclaims membership in a “Group” as defined in Rule 13d-1(b)(ii)(J)

Item 9.

Notice of Dissolution of Group

Not applicable.

CUSIP No. 550021109

Item 10.

Certification

Not applicable. This Schedule 13G is not filed pursuant to Rule 13d-1(b) or Rule 13d-1(c).

HIGHLAND CAPITAL PARTNERS VI LIMITED PARTNERSHIP

By:

Highland Management Partners VI Limited Partnership, its
general partner

By:

Highland Management Partners VI, Inc., its general partner

By:

  /s/ Daniel J. Nova

                            Managing Director

HIGHLAND CAPITAL PARTNERS VI-B LIMITED PARTNERSHIP

By:

Highland Management Partners VI Limited Partnership, its
general partner

By:

Highland Management Partners VI, Inc., its general partner

By:

  /s/ Daniel J. Nova

                             Managing Director

HIGHLAND ENTREPRENEURS’ FUND VI LIMITED PARTNERSHIP

By:

HEF VI Limited Partnership, its general partner

By:

Highland Management Partners VI, Inc., its general partner

By:

  /s/ Daniel J. Nova

                             Managing Director

HEF VI LIMITED PARTNERSHIP

By:

Highland Management Partners VI, Inc., its general partner

By:

  /s/ Daniel J. Nova

                            Managing Director

CUSIP No. 550021109

HIGHLAND MANAGEMENT PARTNERS VI LIMITED PARTNERSHIP

By:

Highland Management Partners VI, Inc., its general partner

By:

  /s/ Daniel J. Nova

                            Managing Director

HIGHLAND MANAGEMENT PARTNERS VI, INC.

By:

  /s/ Daniel J. Nova

       Managing Director

 /s/ Robert F. Higgins

Robert F. Higgins

 /s/ Paul A. Maeder

Paul A. Maeder

 /s/ Daniel J. Nova

Daniel J. Nova

 /s/ Sean M. Dalton

Sean M. Dalton

 /s/ Fergal J. Mullen

Fergal J. Mullen

 /s/ Corey M. Mulloy

Corey M. Mulloy

CUSIP No. 550021109

HIGHLAND CAPITAL PARTNERS VI LIMITED PARTNERSHIP

By:

Highland Management Partners VI Limited Partnership, its
general partner

By:

Highland Management Partners VI, Inc., its general partner

By:

  /s/ Daniel J. Nova

                            Managing Director

HIGHLAND CAPITAL PARTNERS VI-B LIMITED PARTNERSHIP

By:

Highland Management Partners VI Limited Partnership, its
general partner

By:

Highland Management Partners VI, Inc., its general partner

By:

  /s/ Daniel J. Nova

                             Managing Director

HIGHLAND ENTREPRENEURS’ FUND VI LIMITED PARTNERSHIP

By:

HEF VI Limited Partnership, its general partner

By:

Highland Management Partners VI, Inc., its general partner

By:

  /s/ Daniel J. Nova

                             Managing Director

CUSIP No. 550021109

HEF VI LIMITED PARTNERSHIP

By:

Highland Management Partners VI, Inc., its general partner

By:

  /s/ Daniel J. Nova

                            Managing Director

HIGHLAND MANAGEMENT PARTNERS VI LIMITED PARTNERSHIP

By:

Highland Management Partners VI, Inc., its general partner

By:

  /s/ Daniel J. Nova

                            Managing Director

HIGHLAND MANAGEMENT PARTNERS VI, INC.

By:

  /s/ Daniel J. Nova

       Managing Director

 /s/ Robert F. Higgins

Robert F. Higgins

 /s/ Paul A. Maeder

Paul A. Maeder

 /s/ Daniel J. Nova

Daniel J. Nova

 /s/ Sean M. Dalton

Sean M. Dalton

 /s/ Fergal J. Mullen

Fergal J. Mullen

 /s/ Corey M. Mulloy

Corey M. Mulloy