Happy birthday!!!!!?? Love you so much Max ... Aguilera has been performing in Las Vegas as part of her Christina Aguilera: The Xperience residency at the Zappos Theater.

Now, sources said it was Aguilera's looming 45th birthday that convinced her to take a second stab at matrimony. She was ...

Christina Aguilera and her fiancé Matthew Rutler looked very much in love as they celebrated his 40th birthday in Los Angeles. The pair were photographed during their glamorous outing at Vibrato ...

to her birthday bash ... entire closet dedicated to Christina Aguilera cosplay -- a perfect way for a rich 19-year-old to spend her money. The Jenner sisters are happy to pay respect to those ...

Christina Aguilera's performance at a Russian ... she walks down several steps with a microphone in hand. She sings Happy Birthday to the birthday girl, and it's likely a moment she will remember ...