Carrie Underwood's Many Looks of the CMAs

45th Annual CMA Awards - Show
NASHVILLE, TN - NOVEMBER 09: Host Carrie Underwood speaks at the 45th annual CMA Awards at the Bridgestone Arena on November 9, 2011 in Nashville, Tennessee. (Photo by Rick Diamond/Getty Images) (Getty Images)

Co-hosting the awards isn't just about entertaining people, it's about looking good.