American Idol Carrie Underwood rocked the stage with a lively performance of her the country hit “Last Name” last night at the 51st Annual Grammy Awards. Carrie’s outfit was more daring than expected but she looked absolutely amazing and in great shape. We love Carrie, we think she was the hottest female celeb at this year’s Grammy Awards (vote for our Hottest Female Celeb At 2009 Grammy Awards Poll here>>).

2009 Grammy Awards:
Winners: 51st Annual Grammy Awards
Best Moments from 51st Grammy Awards
Paris Hilton 51st Grammy Awards Red Carpet Photos
Kate Beckinsale 51st Grammy Awards Red Carpet Photos
Miley Cyrus 51st Grammy Awards Red Carpet Photos
Taylor Swift 51st Grammy Awards Red Carpet Photos
Kim Kardashian 51st Grammy Awards Red Carpet Photos
Katy Perry 51st Grammy Awards Red Carpet Photos
Carrie Underwood 51st Grammy Awards Red Carpet Photos
Hottest Female Celeb At The 51st Annual Grammy Awards