Both Christina Aguilera and Ariana Grande have joined the likes of Lady Gaga on the performance line-up.
Real name: Christina María Aguilera
Born: December 18, 1980
Birthplace: Staten Island, New York, U.S.
First single: Genie in a Bottle
First album: Christina Aguilera
The 'Bad Romance' singer addresses any confusion over comparisons between the pair over the years.
The Voice US judge says the two have talked about recording a duet in the future hopefully.
Fresh rumours suggest Ed has been tasked to join as a mentor for contestants in the show's battle rounds.
Between reports of feuding with Britney, collaborations with rappers and even death, Christina Aguilera is never far from the spotlight. Check out 12 rumours about the 'Your Body' singer that have done the rounds.
Following the recent news that Nicki Minaj's 'Stupid Hoe' video had been banned from US Network BET, Capital is taking a look at some of the music videos which have stirred up controversy over the years.
Can you name every Vodafone Big Top 40 No.1 Hit of 2011? See which hit music stars topped the charts last year.
It's no Mickey Mouse thing - Christina Aguilera receives a star on the Hollywood Walk of Fame.
Check out the new promo to the rapper's collaboration with the 'Dirrty' singer.
The singer unveils the video for her new single, which is released on 4th November.
Maroon 5 are back, they've teamed up with Christina Aguilera and we think it's going to be big.
Vintage Aguilera returns in her new raunchy, sexy video for 'Not Myself Tonight'.