SUPERMODEL AMBROSIO CELEBRATES AT MARQUEE DAYCLUB

Alessandra Ambrosio celebrated her 30th birthday at the grand opening of the Marquee Dayclub at The Cosmopolitan on Saturday. She shared a cabana with her sister and boyfriend and hung out with actress Selma Blair. Also spotted at her party was Jamie-Lynn Sigler of "The Sopranos. Other celebs at the opening: Justin Bartha of "The Hangover" and Oscar winner Adrian Brody, who joined Marquee owner Jason Strauss at Tao for dinner to celebrate his birthday before making their way to Marquee Nightclub. (Photo courtesy Denise Truscello/WireImage)