Kesha makeover rules, "I embrace the imperfections and celebrate them."

Rachel McAdams had a makeover for the red carpet for "The Vow." Rachel absolutely nails a Vivienne Westwood dress, with some red lips and bangs.

Check out more photos from the the premiere of "The Vow" below, including shots of Channing Tatum, love Rachel's new look or hate it?

Meanwhile - get ready to see an extreme makeover for Ke$ha in Glamour.

"I embrace the imperfections and celebrate them," she told the magazine of being spotted without her signature over-the-top look.

She adds:

"I'm not really worried about the photographs because if I tell my fans not to give a f-ck about the haters, then I have to practice what I preach. I embrace the imperfections and celebrate them."

Check out all the pictures in the gallery below.

(Images: Glamour, FameFlynet)