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Fergie, Calvin Klein Ad

Calvin Klein/Instagram

Do you look this good in your Calvins?

Calvin Klein has taken their marketing to social media by sending their famous underwear to a number of big-name celebs so they can pose in the undies for a sexy selfie and hashtag the snapshot #MyCalvins. Fergie, Miranda Kerr and Trey Songz are just a few of the stars that have participated in the Instagram event, and they're definitely snagging some major attention.

The Black Eyed Peas singer is the latest A-lister to share her picture, and the black-and-white topless shot is seductive and breathtaking, but she didn't stop there. Nope, she made an entire Instagram video of the event (thank you, Fergie).

"Boom. #mycalvins," Fergie Ferg captioned the video, which shows Josh Duhamel's lady parading her amazing post-baby bod in nothing but a pair of CK panties.

Meanwhile, Kerr gives a casual sneak peek of her underwear as she lies down in a tied up T-shirt, flaunting her midriff, with unbuttoned jeans. "my new Calvin's #mycalvins#ad," she wrote. R&B star Trey Songz gave something a little extra for the ladies, by pulling a Miley Cyrus tongue-out face while strutting his boxer briefs in front of the mirror.

Hey! Stop staring. Actually, it's fine. Go ahead.

"Thanks Calvin Klein for the delivery #MyCalvins," he wrote, and followed up with yet another undie selfie. "I like these too! #MyCalvins," he said.

We love all of these!