Michelle MonaghanGetty Images (2)

Michelle Monaghan spiced up her brunet locks with deep auburn tones. The actress debuted her new red ‘do at the Toronto Film Festival premiere of Machine Gun Preacher. See who else dyed their hair this year in the gallery!

Hot 2011 Hairstyles!


MORE:

• Fall Haircut Ideas You’ll Love!
Try On Celebrity Haircuts!
Elizabeth Olsen Went Blond