FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * Day Christine McCormick   2. Issuer Name and Ticker or Trading Symbol lululemon athletica inc. [LULU] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chief Executive Officer (Last) (First) (Middle) C/O LULULEMON ATHLETICA INC., 400 - 1818 CORNWALL AVENUE 3. Date of Earliest Transaction (Month/Day/Year) 03/26/2012 (Street) VANCOUVER, A1 V6J 1C7 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 03/26/2012   M   40,000 A $ 16.83 75,232 D   Common Stock 03/26/2012   S   14,538 D $ 74.8565 (1) 60,694 D   Common Stock 03/26/2012   S   5,462 D $ 75.0121 (2) 55,232 D   Common Stock 03/26/2012   S   20,000 D $ 75 35,232 D   Common Stock 03/27/2012   M   1,358 A $ 16.83 36,590 D   Common Stock 03/27/2012   S   1,358 D $ 75 35,232 D   Common Stock 03/28/2012   M   21,142 A $ 16.83 56,374 D   Common Stock 03/28/2012   S   20,742 D $ 73.8977 (3) 35,632 D   Common Stock 03/28/2012   S   400 D $ 74.14 35,232 D   Common Stock 03/28/2012   M   41,666 A $ 11.01 76,898 D   Common Stock 03/28/2012   S   10,000 D $ 74.1 66,898 D   Common Stock 03/28/2012   S   31,666 D $ 73.0553 (4) 35,232 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Stock Option (Right to Buy)

$ 16.83

03/26/2012

M

40,000

(5)

01/18/2012

Common Stock

40,000

$ 0

22,500

D

Stock Option (Right to Buy)

$ 75.23

03/26/2012

A

9,200

(6)

03/26/2019

Common Stock

9,200

$ 0

9,200

D

Stock Option (Right to Buy)

$ 16.83

03/27/2012

M

1,358

(5)

01/18/2018

Common Stock

1,358

$ 0

21,142

D

Stock Option (Right to Buy)

$ 16.83

03/28/2012

M

21,142

(5)

01/18/2018

Common Stock

21,142

$ 0

0

D

Stock Option (Right to Buy)

$ 11.01

03/28/2012

M

41,666

(7)

01/08/2018

Common Stock

41,666

$ 0

41,668

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Day Christine McCormick C/O LULULEMON ATHLETICA INC. 400 - 1818 CORNWALL AVENUE VANCOUVER, A1 V6J 1C7	X		Chief Executive Officer

Signatures

Christine Day, by David Negus, Attorney-in-Fact		03/28/2012
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Represents a weighted-average price. These shares were sold in multiple transactions at prices ranging from $74.85 to $74.92 inclusive. For all transactions reported in this Form 4 utilizing a weighted-average price, the reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
(2)	Represents a weighted-average price. These shares were sold in multiple transactions at prices ranging from $75.00 to $75.05 inclusive. For all transactions reported in this Form 4 utilizing a weighted-average price, the reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
(3)	Represents a weighted-average price. These shares were sold in multiple transactions at prices ranging from $73.49 to $73.98 inclusive. For all transactions reported in this Form 4 utilizing a weighted-average price, the reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
(4)	Represents a weighted-average price. These shares were sold in multiple transactions at prices ranging from $73.05 to $73.19 inclusive. For all transactions reported in this Form 4 utilizing a weighted-average price, the reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
(5)	These options vested as to 25% on each of January 7, 2009, January 7, 2010, January 7, 2011 and January 7, 2012.
(6)	These options shall vest as to 25% on each of March 26, 2013, March 26, 2014, March 26, 2015 and March 26, 2016.
(7)	These options vested as to 25% on each of August 1, 2009, August 1, 2010 and August 1, 2011 and shall vest as to 25% on August 1, 2012.

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