Katy Perry shows off bare bum in lace-up skirt (photos)

Katy Perry, 39, showed off her black thong and bare bum on Wednesday night, March 6, as she took to the red carpet at the 2024 Billboard Women in Music Awards. 

The singer wore the thong beneath a red lace-up skirt, which she teamed with a matching peplum corset and a pair of sky-high black heels.

The lace-up part of the skirt left most of her bum on display and the American Idol judge made sure to turn to put her bum in view of the cameras.