The InStyle Hairstyle Try-On iPad App already includes over 300 celebrity hairstyles, and we want you to help us decide which looks we should add next! Just visit InStyle's Facebook page to vote for your favorites, from Michelle Monaghan's auburn waves to Jennifer Aniston's long bob. To cast your votes, log onto Facebook, check out the hottest new styles in the gallery, and click the “Like” button to vote. Voting closes on Monday and the styles with the most votes will available on the iPad in October.
— Shannon Farrell