Ryan Turgeon/Splash News Online
04/13/2011 at 03:00 PM EDT
was partying with a guy friend at Trousdale
in L.A., but the Gossip Girl
star's attention was focused on female clubgoers – and they were most definitely watching him, too! At one point, the British actor invited a group of ladies to sit down and join him, and when they did, he ordered a round of shots. According to an onlooker, Westwick was charming, making the female clubgoers blush as she showered them with his attention – and drinks.
Meanwhile, his Gossip Girl costar Leighton Meester
enjoyed some downtime at the Tides Zihuatanejo resort in Mexico, where the actress and her pals relaxed in a private suite that had an outdoor patio and pool. The group occasionally ventured out to the beach and also checked out a barbeque at night.
Robert Downey Jr.
, having a belated birthday celebration with wife Susan Downey
and three friends at Fig & Olive Melrose Place in L.A. The actor, who recently turned 46, was in a jovial mood and was dressed for the occasion in a pink suit and white shirt. The group shared dishes like crostini, an endive beet salad and some rosemary lamb chops.
got a personalized birthday treat from Crumbs Bakery: vanilla cupcakes topped with Skittles and vanilla cream cheese frosting. The confections aren't on the menu, and the supermodel enjoyed them at home before catching a flight out of N.Y.C.
chatted up the staff at the Apple store at West Hollywood's The Grove
, asking questions about the merchandise before buying a MacBook Pro. The rocker was sporting mirrored shades and, according to an onlooker, "seemed cheery and eager to learn" about his new computer.
By JENNIFER GARCIA, LIZ MCNEIL and JESSICA WEDEMEYER