Ed Isabella / Splash News
Leonardo DiCaprio, sharing breakfast with his grandmother at seafood restaurant Gladstone's in Malibu. The Oscar-nominated star was quite the model grandson, clutching his grandma's arm to help her as the two left the restaurant. Awww.
Christina Aguilera, celebrating at L.A.'s Hyde Lounge after her sold-out show at L.A.'s Staples Center. The pop diva partied with husband Jordan Bratman and an entourage of 30, including members of the Pussycat Dolls. After pouring a dozen glasses of Taittinger champagne for her guests, Aguilera made a toast to her fellow revelers. Earlier at the concert, Dancing with the Stars judge Carrie Ann Inaba sang along and danced to "Ain't No Other Man."
Adrian Grenier, loading coffee into his Volkswagen Jetta at a Starbucks in Hollywood. The Entourage star ordered so much java that he needed assistance from an employee to bring it to his car.
By JENNIFER GARCIA and PRIYA MOHAN
Tuesday's Caught in the Act! >