Caught in the Act!
06/16/2011 AT 06:00 AM EDT
Kim Kardashian's fiancé Kris Humphries had a guys' night out at Trousdale Lounge in L.A., where Dr. Dre was also hanging out with a giant entourage. The NBA star stuck to his own table, laughing all night with friends. Says an onlooker: "[He] was on his best behavior."
Diane Kruger and Joshua Jackson, dancing the night away as Janet Jackson performed beneath Paris's Louvre Museum's pyramid. The couple was there for the charity dinner and concert event Liasons Au Louvre. Also seen rocking out: soon to be married Prince Albert of Monaco.
Before joining other X-Factor judges Simon Cowell and Paula Abdul at the University of Miami in Coral Gables, Fla., Nicole Scherzinger took a dip in the pool at South Beach's Setai Hotel. Looking sultry and smashing, the singer had just flown in from London where she performed.
Carey Mulligan dined on roast beet salad and salted caramel cake – and sipped on Clos du Bois chardonnay – as she mingled with Zoe Kazan and Mamie Gummer at a benefit for the Lincoln Center Institute in N.Y.C. After dinner, the actress and guests enjoyed a live performance by the newly single Karen Elson.
By JENNIFER GARCIA, MARISA LAUDADIO, LINDA MARX, PETER MIKELBANK and JESSICA WEDEMEYER