The couple attends a swank Beverly Hills dinner party. Plus, Jennifer Lopez, Usher, Mischa Barton and more

TUMMY TUCK

Six-pack abs, me? Usher tries to fool MTV VJ La La into thinking his toned stomach is a thing of the past during an appearance on TRL Tuesday (left). The joke was on her when the singer, who turns 26 on Oct. 14, revealed he's still in tip-top shape (right).