By Leah Ornstein – Radar Style & Beauty Editor

From Jennifer Aniston and Cameron Diaz to Megan Fox and Blake Lively, SHAPE magazine has rounded up the hottest stars in Hollywood and pitted them against each other – and only you can pick the winners!

Facing off in the categories of sexiest arms, legs, butt, and abs, you can vote on who will be crowned the winners of SHAPE’s Hottest Bodies in Hollywood now until December 31.

The winners will be revealed in the March 2012 issue of SHAPE.

To cast your ballot, click here.