Kate Upton is a 'Little Bad Girl' for Beach Bunny ad campaign

Kate Upton, who has just been named the second most-desirable woman in the world by the Ask Men website, has launched a new swimwear ad campaign for Beach Bunny. The various styles have names like Little Bad Girl (above), Long Hot Summer (below, top) and Goin' Back to Cali (below, bottom).

Upton, 19, has burst onto the modeling scene after being heavily featured in 2011 Sports Illustrated swimsuit issue. She also models for Guess and Victoria's Secret. Upton also went viral with an April 2011 video of her doing the Dougie at a Los Angeles Clippers game.

She has also filmed roles in "Tower Heist" and "The Three Stooges" and played in the 2011 All-Stars Legends and Celebrities softball game for Major League baseball. Romantically, she has been linked most recently to New York Jets quarterback Mark Sanchez. And she was also named GQ's Body of the Year for 2011.