Pretty Girl (Cheat Codes x Cade Remix) Maggie Lindemann
Bruno Mars and Kelly Clarkson perform live for the first time on The X Factor USA.
Bruno Mars performs his new single 'It Will Rain' from The Twilight Saga: Breaking Dawn - Part One soundtrack on The X Factor USA
The 'Just The Way You Are' star was making his first ever appearance on the US edition of the show.
Bruno raises his arms to the crowd as he kicks off his performance on the popular reality series.
The 'Doo-Wops & Hooligans' singer performs his new love song in front of a broken heart-shaped neon light.
Bruno tweeted earlier this week that performing on The X Factor USA would be one of his career highlights.
Bruno was performing last night fresh from his win at the American Music Awards 2011 for Favourite Male Artist in Pop/Rock.
Kelly Clarkson performs her new single 'What Doesn't Kill You (Stronger) on The X Factor USA stage.
The original 'American Idol' winner performs for The X Factor USA judges Simon Cowell, Nicole Scherzinger, Paula Abdul and L.A. Reid.
Kelly will heavily involve fans from around the world in the music video for 'What Doesn't Kill You (Stronger).
The 'Mr. Know-It-All' singer looked confident as she belted out the words to her latest single.
Kelly makes her first appearance on the brand new reality series singing the second single from her new album 'Stronger'.