Kate Upton

Model/Actress Kate Upton attends DIRECTV Super Saturday Night Featuring Special Guest Justin Timberlake & Co-Hosted By Mark Cuban's AXS TV on Feb. 2, 2013, in New Orleans.

Kate Upton attends the "No" premiere on Oct. 12, 2012, in New York.

From left, actress Nina Arianda, actress Debra Messing, designer Michael Kors, actress Nikki Reed, and model Kate Upton celebrate Fashion's Night Out at Michael Kors on Sept. 6, 2012, in New York.

Model Kate Upton arrives at the 2012 amfAR's Cinema Against AIDS during the 65th Annual Cannes Film Festival at Hotel Du Cap on May 24, 2012, in Cap D'Antibes, France.

Model Kate Upton attends the "Schiaparelli And Prada: Impossible Conversations" Costume Institute Gala at the Metropolitan Museum of Art on May 7, 2012, in New York.

Model Kate Upton attends the 98th Annual White House Correspondents' Association Dinner at the Washington Hilton on April 28, 2012, in Washington.

Model Kate Upton arrives at the 2011 Victoria's Secret SWIM Collection Pink Carpet Event hosted by VS Angels at Club L on March 30, 2011, in Los Angeles.

Sports Illustrated swimsuit model Kate Upton arrives at Club SI Swimsuit hosted by Vanity at Vanity Nightclub at The Hard Rock Hotel and Casino on Feb. 17, 2011, in Las Vegas.

Sports Illustrated swimsuit model Kate Upton and photographer Bjorn Iooss attend Club SI Swimsuit hosted by Vanity at Vanity Nightclub at The Hard Rock Hotel and Casino on Feb. 17, 2011, in Las Vegas.

Sports Illustrated swimsuit model Kate Upton attends Club SI Swimsuit hosted by Vanity at Vanity Nightclub at The Hard Rock Hotel and Casino on Feb. 17, 2011, in Las Vegas.

Sports Illustrated swimsuit model Kate Upton attends the SI Swimsuit Fashion & Beauty Roundtable at The Fashion Show Mall on Feb.17, 2011, in Las Vegas.

World's top-paid models

Sports Illustrated swimsuit models with the mayor of Las Vegas Oscar B. Goodman at dedication of Swimsuit Blvd. on Feb. 17, 2011, in Las Vegas. From left are Jessica White, Julie Henderson, Alyssa Miller, Cintia Dicker, Genevieve Morton, Anne V, Irina Shayk, Christine Teigen, Izabel Goulart and Damaris Lewis.

Sports Illustrated swimsuit models Kate Upton attends SI Swimsuit On Location hosted by LAX Nightclub at LAX Nightclub on Feb. 16, 2011, in Las Vegas.

Sports Illustrated swimsuit model Kate Upton on board the 2011 SI Swimsuit Models New York To Las Vegas Flight on Feb. 15, 2011, in New York.

Models Kate Upton and Genevieve Morton attend the SI Swimsuit Launch Party hosted By Pranna at Pranna Restaurant on Feb.15, 2011 in New York.

Ten of the 2011 Sports Illustrated Swimsuit models present the "Top Ten Good Things About Appearing in the Sports Illustrated Swimsuit Edition" on the "Late Show with David Letterman" on Feb. 14, 2011, on CBS. Third from left is Kate Upton.