Alessandra Ambrosio celebrates her birthday at Marquee.

Alessandra Ambrosio celebrated her 30th birthday at the grand opening of the Marquee Dayclub at the Cosmopolitan of Las Vegas on Saturday. Ambrosio celebrated with her family including her sister and boyfriend in a cabana at the brand new Vegas daytime hotspot.

Before her birthday bash, Ambrosio had her hair and makeup styled at Violet Hour Hair, Nails, Beauty at Cosmopolitan. Ambrosio wore an Emilio Pucci cover-up and faux fur vest and turquoise Guiseppe Zanotti stilettos.

Ambrosio and Selma Blair were spotted toasting to the model’s birthday – Ambrosio with a mimosa and Blair with water and cake bites. The mother-to-be had on a Tucker by Gaby Basora long-sleeved maxi dress and was looking radiant.

After getting a little rest, Ambrosio a and family headed out to Tao for a birthday dinner. They brought along her daughter Anja who was in awe of the giant Buddha and koi pond and kept her dad Jamie on his toes. After dining on their Tao favorites, the Brazilian model was surprised with a giant fortune cookie brought out as the entire restaurant sang happy birthday. After dinner the group made their way to Marquee Nightclub after kissing baby Anja goodnight.

Jamie-Lynn Sigler was also spotted at Ambrosio’s birthday party at Marquee Dayclub. She was excited to return to Marquee with friends after she was there for the grand opening on New Year’s Eve.

Also spotted over the Marquee Dayclub was The Hangover actor Justin Bartha and Oscar winner Adrian Brody. Both joined Marquee owner Jason Strauss at Tao for dinner to celebrate his birthday before making their way to Marquee Nightclub to check out superstar DJ Erick Morillo.

Taking in the sounds at a dance floor table, the birthday girl Ambrosio decided to make a bee line over to the deejay booth to say hi to her friend Erick Morillo for some big hugs and smiles as well as dancing. She then made her way back to her table, where she was presented with her second birthday cake of the day from Gimme Some Sugar. Her family cheered and they all danced until the wee hours.

Taye Diggs was spotted in the Boom Box Room on Saturday night at Marquee Nightclub.

Click on the photos below to enlarge.

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