Calvin Klein's Hottest Celebrity Models

The reality star-turned-model debuted her Calvin Klein underwear billboard in NYC in October 2015. Click through to check out other celebs who have posed for Calvin Klein campaigns.

In January 2015, the pop star caused a stir when he stripped down for the legendary designer's underwear ads.

The legendary supermodel was featured in the 2013 Calvin Klein Eternity campaign at the impressive age of 44.

The Girl With the Dragon Tattoo star was featured on billboards for the Calvin Klein Downtown fragrance in 2013. 

The True Blood star put his best face forward as part of the Encounter fragrance campaign in 2012. 

The Avatar star was the face of Calvin Klein's Envy campaign in 2010.

The Twilight star helped launch the Calvin Klein X underwear campaign in 2010.

The Necessary Roughness star modeled for the Calvin Klein X underwear campaign during his run on True Blood. 

The sexy Spanish tennis star was one of the international athletes and personalities chosen to model the new Calvin Klein X underwear line in 2010.

The Japanese soccer star helped launch the Calvin Klein X underwear line in 2010.

The future Fifty Shades of Grey star posed with Eva Mendes on Calvin Klein billboards in 2009.

The actress stopped traffic in Times Square with her sexy 2008 ads for Secret obsession perfume.  

The British model was featured on Calvin Klein billboards in 2006. 

The Swedish footballer modeled for many major Calvin Klein campaigns, including the famed Sunset Strip billboard.

Back when he was still the leader of the "Funky Bunch," Marky Mark stripped down for a 1992 underwear campaign.