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Adam Levine and Nina Agdal

Adam Levine and Nina Agdal
After a month of dating, "The Voice" coach and Sports Illustrated model's romance heated up! The new couple was photographed together on vacation in Los Cabos, Mexico, on June 23. Update: Just three weeks after this photo was taken, Levine surprised everyone when he announced that he and ex-girlfriend Behati Prinsloo were rekindling their romance and even planned to walk down the aisle!

Summer Lovin'

Summer temps aren't the only thing heating up Hollywood. Tinseltown's got a new crop of hot couples too. Are they summer flings, or the real thing? Guess we'll have to wait until fall to find out.