Izabel Goulart has challenged Alessandra Ambrosio , and now it's on baby!

Now it all comes down to you...who do you think is better? Who do you think will win, head to head - Alessandra Ambrosio , or maybe Izabel Goulart? Do you think Izabel Goulart will just squeak out a victory in a battle for the ages with Alessandra Ambrosio , or will Alessandra Ambrosio absolutely decimate Izabel Goulart?

Cast your vote now at http://www.webthrowdown.com/1477/