Article continues below advertisementChristina Aguilera proved she's still got it as she hit the stage in a curve-hugging bodysuit that had fans doing a double take. The "Fighter" singer, 45, performed to a full audience in a navy bodysuit with a corset-style skirt that highlighted her tiny waist in a social media video shared on Friday, January 23. Article continues below advertisementSource: @jadenlovesjaden/XFans couldn't get over how good Christina Aguilera looked.