Kate Upton is showing some major sex appeal for the 2014 Sports Illustrated Bikini Calendar. The desk calendar hasn't even been released yet but one of the leaked pictures already has some men camping out at the nearest store for its release.

According to International Business Times, Upton will be the cover girl and Ms. December. The 21-year-old model also appeared on the covers of the 2012 and 2013 swimsuit editions of the magazine. She also appeared on the cover of the Sports Illustrated Issue for the baseball preview with B.J. and Justin Upton, from the Atlanta Braves.

Upton was the first model to pose on the cover of the weekly edition of the magazine. in the shoot Upton dons a tight-fitting Atlanta Braves jersey as she playfully sits on the shoulders of the Upton brothers.

Other models to be featured in the 2014 calendar include Jessica Perez, Alyssa Miller, Nina Agdal, Natasha Barnard, Chrissy Teigen, Jessica Gomes, Kate Bock, Cinta Dicker, Ariel Meredith, Genevieve Morton and Irina Shayk.  

Upton has been constantly in the headlines. Her dating life recently became front-and-center after she was spotted with "Dancing With the Stars" pro Maksim Chmerkovskiy. Upton and Chmerkovskiy recently confirmed they were a couple after months of speculation.

The New York Daily News, reported that Upton is said to be apartment hunting in the Big Apple so she can be closer to her new beau, who lives near Fort Lee, N.J. The model was spotted looking at apartments near the Flatiron District.

"They're getting closer, but there's been no talk of marriage," a source said adding they the couple have not made plans to move in together.

According to E! News Upton and Chmerkovskiy began dating in June. They were spotted together several times over the summer but denied they were in a relationship. 

What do you think of the cover?