Pascal Le Segretain/Getty
10/15/2008 AT 11:00 AM EDT
, celebrating her friend Molly's birthday at Las Vegas's TAO
Asian Bistro with champagne toasts, sushi and Kobe beef after hanging out the night before at Lavo. The actress surprised her pal with a cute round cake, which they dove into at the table. Full from dinner, they couldn't finish the dessert and took it back to their rooms for later.