Hayden Panettiere and Christina Aguilera Join Forces for 'Lady Marmalade'Hayden is the latest to crush it on Lip Sync Battle.
Christina Aguilera, Ed Sheeran to Perform on 'A Home For The Holidays'The annual program shines a light on the important social issue of foster care and adoption.
Christina Aguilera's Advice to Blake Shelton and Gwen StefaniAguilera offers advice and support to her fellow coaches on 'The Voice.'
Christina Aguilera Posts Topless SelfieAguilera posed topless in only a leopard print fedora and pink undies.
Christina Aguilera Mocks Britney Spears with Impression on 'The Voice' Finale: WatchNot only is Christina Aguilera an incredible singer, she's also got decent chops as a celebrity impersonator.
Stephen Merchant Became Our 'Hero' After His Enrique Iglesias Impression on 'Lip Sync Battle': WatchWe already knew Stephen Merchant could get "Dirrty" like Christina Aguilera, but on last night he became our hero.
Stephen Merchant Goes 'Dirrty' Like Christina Aguilera for 'Lip Sync Battle': WatchThe episode will premiere this Thursday.
Christina Aguilera Goes Country with Rascal Flatts at the ACM AwardsThey did Aguilera's "Shotgun" followed by Rascal Flatts' "Riot."
Preview Christina Aguilera's 'Nashville' DebutThe pop star will make her debut on ABC's music television drama 'Nashville' on April 15.
Reality Check For 2/25/15: Taylor Swift Awarded Again, Drink Coffee, Celebrities' Favorite EmojisDrinking 3-5 cups of coffee a day might actually be good for you
Christina Aguilera Does Killer Impressions of Britney Spears, Shakira & Cher: WatchChristina Aguilera isn't just a great singer, she's a phenomenal impressionist.
Ariana Grande, One Direction, Carrie Underwood, Sam Smith Cover 'We Are the Champions' in Honor of New England PatriotsAfter the New England Patriots won Super Bowl XLIX in a spectacular fashion, Jimmy Fallon decided to round up a few of his famous friends to do a little tune in their honor.