Carrie Underwood belted out one of her popular hits during yesterday's sound check inside LA's Nokia Theater. Carrie's just one of the major names taking the stage later today at the American Music Awards. She'll be joined by fellow artists like Justin Bieber, Usher, The Wanted and Taylor Swift, and in addition to performing, Carrie's up for two awards. She's going head to head against Taylor and Miranda Lambert in the favourite female artist category and she'll have to beat out Lionel Richie and Luke Bryan if she wants to take home the honour of this year's favourite country album. We'll be bringing you all the news, fashion, and hot performances from the American Music Awards so be sure to check back for live updates throughout the day.