Exhibit 32.1 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Bluefly, Inc. (the "Company") on Form 10-Q for the period ending September 30, 2008, as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, Melissa Payner-Gregor, Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that: 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. /s/ Melissa Payner-Gregor - ------------------------- Melissa Payner-Gregor Chief Executive Officer November 12, 2008 25