Someone should tell Christina Aguilera the only people who go to Hyde anymore are Sean Stewart and Jack Osbourne.
Also in L.A.: Robbie Williams was "heavily medicated," Jason Castro dodged the paps and Benji Madden just wanted a little private time.
In NY: Rhianna and Mike Myers worked the TRL crowd, Billy Ray Cyrus was off to see Miley, LL Cool J's wife rocked a gold crutch and Rachel Bilson was cute as ever.
X-Tina Goes Into Hyde-ing
