Christina Aguilera left fans wowed on Friday March 15 as she made a rare appearance on the stage during a break from her Las Vegas residency. The Y2K singer performed at the launch of Clarins new ...

Christina Aguilera wore a skimpy sequined number to the VMA’s the same year; Justin Timberlake and Britney Spears followed up the next with head-to-toe matching denim. Y2K fashion mirrored—and ...