Beyonce Knowles' birthday surprise

Beyonce Knowles’ hubby Jay-Z threw an intimate party to celebrate his wife's 29th birthday. He invited friends including Alicia Keys, Serena Williams, Kanye West and...

Beyonce Knowles’ hubby Jay-Z threw an intimate party to celebrate his wife's 29th birthday.

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He took over nightlife im presario Scott Sartiano's and Richie Akiva's about-to-open Chelsea restaurant, The Darby, and invited friends including Alicia Keys, Serena Williams, Kanye West and Sean "Diddy" Combs to toast Beyonce... while DJ Cassidy took over the decks.

"Jay brought a six-layer cake out for B, they were really affectionate. Cassidy played Stevie Wonder's Happy Birthday,” the New York Post quoted a source as saying.

Beyonce and Jay Z

"The party went on until 6 am. Both Jay and B's moms were there, but there was no sign of her father or her sister. Diddy was the last to leave. Jay filled the room with orchids," the source added.