25 Hottest Hollywood Hair Change-Ups of '09

From Nicole Richie's walk on the dark side to Kellie Pickler's red alert, rate the biggest color and cut changes!

KELLIE PICKLER

"The hair doesn’t make the person, but it has been a shocker," the CMA Awards presenter told PEOPLE of her new hair color. "It's been interesting with red hair because you can’t wear the same things. It’s an excuse to go shopping!"