These star sweethearts stay in shape with tag-team workouts
Jennifer Lopez and Casper Smart
"He's fantastic; he's like my best friend. I can tell him everything, when I'm feeling down, when I'm feeling good," Lopez told Harper's Bazaar of her much-younger backup dancer beau, with whom she works up a sweat dancing on her worldwide concert tours. "He gives moral support, endless love and support."
Credit: Frank Micelotta/Picture Group