Ana Beatriz Barros vs. Alessandra Ambrosio -- Who'd You Rather?

It's a brawl of the Brazilian models!

Ana Beatriz Barros (31) strolled on the beach in Greece with a sexy striped bikini and wild sunglasses yesterday (left) -- while Alessandra Ambrosio (32) wore an even stripier bikini and even wilder sunglasses along side her (right).