Whether they hopped from the glossy pages of magazines to the big screen or the other way around, there is no question that all of these swimsuit sirens are sexy-but who brings the most heat to the beach?

It is a battle of the bikini bodies, when the hottest models-turned-actresses are pitted against actresses-turned-models in Breaking Celebrity News's Bikini Wars!

Megan Fox is undeniably one of the sexiest stars on the big screen. The loose-lipped bikini babe, who has stripped down for Armani Underwear, was replaced in the 3rd installment of the Transformers franchise with sizzling supermodel (and Victoria's Secret Angel) Rosie Huntington-Whiteley. Which of these Transformers hotties has the most banging body on the beach? To find out who brings home the Bikini Wars gold click here.

Eva Longoria and Gisele Bundchen have a lot more in common than a thing for professional athletes -- they are both painfully sexy!  Though both the Desperate Housewife and the ex-Angel make oodles of money in their primary careers, each has dabbled their feet in the other's professional arena (Gisele was in The Devil Wears Prada and Eva was the first face of Bebe Sport). Which bikini babe brings more heat to the beach? Click here to find out.