Gigi Hadid -- Birthday Bikini Shoot ... Aw, You Shouldn't Have! (PHOTOS)

Gigi Hadid does not know how birthdays work -- instead of receiving gifts, she's giving them ... in the form of a hot new swimsuit photo shoot. Yes, it's a happy birthday ... for us all! Hadid celebrated her 20th on Thursday by posing for a…

Ana Beatriz Barros Ana Hickmann Ana Ivanovi Ana Paula Lemes