Exhibit 32.1

CERTIFICATION PURSUANT TO 18 U.S.C. § 1350,
AS ADOPTED PURSUANT TO § 906
OF THE SARBANES-OXLEY ACT OF 2002

In connection with the filing of the Quarterly Report on Form 10-Q of Michaels Stores, Inc., a Delaware corporation (the “Company”), for the period ended July 31, 2010, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), each of the undersigned officers of the Company certifies, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that, to such officer’s knowledge:

1.The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2.The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:  August 27, 2010	/s/ John B. Menzer
	John B. Menzer
	Chief Executive Officer
	(Principal Executive Officer)
	/s/ Richard S. Jablonski
	Richard S. Jablonski
	Vice President — Financial Planning and Analysis and Interim Controller
	(Principal Accounting Officer — performing the functions of the Principal Financial Officer)

The foregoing certification is being furnished solely pursuant to 18 U.S.C. § 1350 and is not being filed as part of the Report or as a separate disclosure document.