Christina Aguilera's performance at a Russian ... Aguilera has previously offered master-class workshops to help other singers for $90 a class online, per Billboard. "This class is for all the ...

Christina Aguilera and Matthew Rutler stepped out for a rare appearance at the Breakthrough Prize Ceremony in Los Angeles alongside other Hollywood stars ...

Pink is expressing her frustrations with Twitter users who say she's "shading" Christina Aguilera in a recent interview. The "Trust Fall" singer, 43, shared in an interview with BuzzFeed's Sam ...