Beyonce'and Gwyneth's birthday celebrations

The pregnant singer spends her 30th with husband Jay-Z and her celebrity friends

Beyoncé spent her birthday in style on board of a luxury yacht in Venice.

The star was joined by her husband, rapper Jay-Z, her famous friend Gwyneth Paltrow, who was in Venice to promote her new film, Contagion, co-starring Matt Damon.

The party was later joined by singer Erykah Badu.

Beyoncé revealed last week that she's pregnant with her first child. The star married rapper Jay Z on her birthday, September 4 2008.

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