Calvin Klein is back with their #MyCalvins campaign and this time, it is Blurred Lines model Emily Ratajkowski making wearing CK underwear look incredibly sexy.

Check out what she Instagrammed a few days ago:

She teased them 4 weeks ago too.

Pretty damn sexy!

Of course, she wasn't alone. Gigi Hadid showed off her CK underwear too.

The #mycalvins hashtag has been ongoing for a while already, and while Emily and Gigi's Instagram shots are hot, others have contributed some just as awesome. Check out the 10 hottest we've seen so far.

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