Stars' Summer Lovin'

From courtside kisses to happy handholds, see how Nick Jonas, Matt Damon, Olivia Wilde and more are heating things up

NICK & OLIVIA

Pucker up! It's a love-all for the JoBros and former Miss USA gal pal Culpo, who sneak a smooch at the U.S. Open in Flushing, N.Y., on Sep. 3.