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?

Too. Much. Diva. For. One. Reality. Show. Finale!

The 2013 American Music Awards were rife with amazing performances from Katy Perry, Ariana Grande, One Direction, Rihanna, Miley Cyrus, Justin Timberlake, Christina Aguilera, Pitbull featuring Kesha and more. And you can catch them all here!

In a behind-the-scenes look at her new perfume commercial for the scent Unforgettable, Christina Aguilera reminds the world that this blonde bombshell isn't going anywhere.

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

Christina Aguilera is once again being recognized for her many charitable works. Next month, the singer will be one of the honorees at the inaugural Muhammad Ali Humanitarian Awards.

Christina Aguilera's weight often yo-yos, but the curvy 'Your Body' singer insists that her newly toned figure, which you can marvel at by looking at her so-hot-it-scorches Maxim cover, is not the byproduct of grueling gym sessions. The singer claims that she hardly works out but she does have a foolproof method of keeping in shape.

Christina Aguilera emerged from a bit of a hiatus from 'The Voice' -- she sat out Season 4 -- looking her very best while promoting the upcoming fifth season in a blush micro mini by Alaia. She shed some excess baggage, ditched the ubiquitous crimson lips and wowed us. It inspired us to take a look back at her recent style.

What a difference a season off makes. Christina Aguilera, who took a hiatus from 'The Voice,' will be back this fall. And while she didn't tour in support of her album 'Lotus' (which tanked), she did use her time wisely: She got herself in incredible shape, looking better than she has in years.