Don't tell Christina Aguilera that it's too early ... the superstar singer added streaks of green to her signature platinum blonde hair. Aguilera shared the makeover with a sweet photo of her ...

Christina Aguilera is aging backward. The pop icon, 44, shared a behind-the-scenes look of a recent sultry photoshoot in a video montage on Wednesday, April 30. The "Lady Marmalade" crooner rocked a ...