Alessandra Ambrosio Turns 31 — See Her Hottest Bikini Moments on the Big Birthday!

Alessandra Ambrosio turns 31 today! In celebration, we're looking back at some of the Victoria's Secret Angel's best bikini moments from years past. In addition to the supermodel's busy career as a global ambassador for Victoria's Secret, Alessandra is mother to Anja with fiancé Jamie Mazur and is expecting her second child — a boy! — in the coming months.

Happy birthday to Alessandra — and click through to see her best bikini moments to date!