winning a Grammy Award for Best New Artist in 2000 and holding multiple No. 1 songs, as well as No. 1 album. Reminisce with us as we look back at some of Christina Aguilera's best work from her 25 ...

Over the weekend, Christina Aguilera debuted her Las Vegas ... of her iconic vocal runs and marking a few dance moves before belting out the song. The singer/actress rehearsed the fan-favorite ...