A star-studded lineup of Ariana Grande, Clinton Kelly, Heidi Klum, Ryan Seacrest, Jessica Simpson, Thalia Sodi and Martha Stewart all signed on to help Macy's promote and prep their stores for one of the biggest shopping weekends of the year in an all-new, 30-second commercial ad for 2015's Black Friday event.

The retailers' latest commercial shows the stars preparing for the hectic weekend ahead, while reminding consumers to head to Macy's beginning at 6 p.m. on Thanksgiving to get the most of the Black Friday deals and a shot at winning $1 million in prizes and Macy's gifts. The sales will come to a halt November 28 at 1 p.m. according to E!.

The short commercial starts off with Martha Stewart preparing a holiday meal on her own line of dishes while Klum floats away with tons of red balloons in hand. Focus singer Ariana Grande sits atop a giant bottle of her own perfume, as the camera zeros in on her wink, moving the center of attention to Jessica Simpson literally cutting prices for her fashion line. American Idol host Ryan Seacrest naturally narrates the whole commercial, divulging that "Only Macy's could give America a parade on Thanksgiving and the biggest sale of the year on Black Friday."

"Who better than an ensemble of Macy's stars to bring a new level of fun and excitement to this year's Black Friday commercial," said Martine Reardon, Macy's chief marketing officer, Yahoo! notes. "From Clinton Kelly helping an elf dress her best and Jessica Simpson slashing prices to Thalia Sodi leading a dance in her department and Ryan Seacrest hosting it all, fans will see their favorite celebrities getting Macy's ready to offer the best deals on the most desirable gifts this holiday season. Only Macy's can give America a Parade on Thanksgiving and the biggest sale of the year on Black Friday."

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