Most Beautiful 2009

Bad Hair Days and More: Stars' Biggest Beauty Blunders

Terrible dye jobs! Waxing gone wrong! Even the hottest stars have bad beauty days. Check out the embarrassing tales from Carrie, Miley, Leighton, Rihanna and more!

BLAIR UNDERWOOD

"Shaving that line around the upper lip, you kind of shave off too much hair. It messes up the whole [mustache], and you end up shaving it all off."