Christina Aguilera

A 4-year-old boy is moved to tears by the A Great Big World song 'Say Something,' and it is awww-dorable!

Christina Aguilera has ousted R. Kelly…sort of! Xtina replaced R. in a new remix and new studio version of Lady Gaga's R&B hit 'Do What U Want.' The divatastic rendition has landed – so how is it?

Lindsay Lohan's little sister, Ali, who turns 20 later this month, posted her first video on YouTube. In the video, she sings while swinging on a chair. We know what you're thinking. This could go either way.

Tonight on ‘The Voice,’ the Top 6 battled it out in an effort to win the votes of fans across the country.

Christina Aguilera is from an army family, so she knew just the right note to hit to please the all-military audience on last night's (Nov. 28) 'Tonight Show With Jay Leno.'

Tonight, two more hopefuls left ‘The Voice’ after another round of eliminations: Caroline Pennell and Ray Boudreaux, and now we're down to the Top 6 contestants.

Demi Lovato had a few chuckles at Christina Aguilera's expense.

As if we weren't already excited enough for 'The Hunger Games: Catching Fire' movie, the track list for its soundtrack has just been released -- and it's jam packed with our favorite artists!

Christina Aguilera is returning to the reality singing competition 'The Voice' after her one-season absence -- and from rumors that she and fellow coach Adam Levine don't like each other.

Last time we got a good look at Christina Aguilera in July, she appeared pretty and fit. But her slimmed-down style on last night's (Sept. 18) 'Tonight Show With Jay Leno' was simply stunning!