Cruise goes shirtless while shooting stunts for Mission: Impossible: IV in Prague. Plus: Robert Pattinson, Kim & Kourtney and more

MOUTH OFF

Harry Hamlin holds on tight Tuesday to wife Lisa Rinna, who recently opened up to PEOPLE about having her famously full upper lip reduced. The couple (whose reality show debuts Oct. 6) was on hand in N.Y. to sign copies of their books, Full Frontal Nudity by him and Starlit by her.