Nicole Scherzinger flashes abs in sports bra while revealing dangerous injury hidden from fans

Nicole Scherzinger is showing fans what goes on behind the glamour.

The 48-year-old Pussycat Dolls singer led a new Instagram carousel with a polished backstage selfie, posing with her long dark hair styled in voluminous waves, glamorous makeup and her toned abs on display in a black sports bra and gray sweatpants.

But the next image told a very different story.

Scherzinger shared a close-up of her injured leg, revealing extensive red marks and healing burns stretching across the area around her knee and down her leg.