Men Who Make Us Say 'Mmm': Brad Pitt

In honor of the actor's 50th birthday, we've gathered the most drool-worthy photos of the sizzling star. Enjoy!

Source: http://www.ivillage.com/sexy-brad-pitt-photos/1-b-295080?dst=iv%3AiVillage%3Asexy-brad-pitt-photos-295080

Natalie Portman Ali Larter Sienna Guillory Joss Stone Laura Prepon Erica Leerhsen