Bikini Babes! The Sexiest Star Swimwear

Your favorite celebs are beachside in the tiniest bikinis, tanks and cute cover-ups, bringing some serious summer style inspo. Click through to see Alessandra Ambrosio, Lady Gaga and more stars giving us vacation (and beach body) envy

ALESSANDRA AMBROSIO

Nope, Alessandra isn't on a Victoria's Secret photoshoot, she just makes waves (so to speak) any time she's flaunting her washboard abs in a bikini (hers is Ale by Alessandra).