Beyonce celebrated her 30th birthday just like every other expectant mom -- ballin' her face off on a massive yacht in Venice, Italy!
B and Jay-Z held court aboard the super luxurious yacht "Odessa" ... for her big 3-0 celebration -- which included visits from celeb pals Gwyneth Paltrow and Erykah Badu.
Beyonce was seen on-deck checking out her not-yet-visible baby bump.
Even her fetus attends better parties than you.
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