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!

ASHLEE SIMPSON

"I had a mullet once. That was really bad. I was like, 'Ken [Paves, her hairdresser], help me!'"