Christina Aguilera at Viña del Mar Festival

Christina Aguilera to Ring in 2019 as 'Dick Clark's New Year's Rockin' Eve' Headliner

Fergie Apologizes for National Anthem Performance at NBA All-Star Game

Pink Responds to 'Negative Nancy's' Who Misread Her Viral AMAs Reaction Shot

Best of Late Night TV: Will Smith's 'Summertime' Rap and Christina Aguilera's 'Sex and the City' Impression (VIDEO)

Best of Late Night TV: Christina Aguilera's Amazing Britney Spears Impression, Kobe Bryant's Lakers Disapproval (VIDEO)