Christina Aguilera celebrated turning 40 in style, rocking a long platinum ponytail and skintight catsuit — watch. Get it, girl!

Christina Aguilera dazzled in three outfit for the 'People's Choice Awards,' performing a medley of songs and accepting the 'music icon ... with a slick ponytail and shorter layers framing her face.

Christina Aguilera continues to celebrate the 25th anniversary of her debut album. The talented singer recently collaborated with Sabrina Carpenter and MGK for a special performance, reimagining ...

Christina Aguilera has no problem saying goodbye to her 30s. The ageless songstress turned 40 on Friday and shared a fun, sassy video in preparation of hitting the major milestone. On Thursday ...

Aguilera slicked her hair back into a ponytail that split into two braids, which fell to both sides of her shoulders. This isn't the first time we've seen Aguilera in a latex gown.

Christina had her signature bleach blonde hair in a sporty ponytail, as she rocked some colorful, reflective glasses. She also sported a leather jacket and a chain-looking necklace.

Christina Aguilera sent fans into a frenzy after showcasing her enviable figure at a Barry’s Bootcamp event, sparking debate over her jaw-dropping new look. See photos.