Originally appeared on E! Online

One onstage moment made Katy Perry roar with pain.

As the “Firework” singer continues the Canadian leg of her Lifetimes Tour, she shared a look back at her life lately, including a mishap from one of her concerts that left her with a bloody knee.

In her Aug. 6 Instagram roundup, Perry posted one snap of a massive, bloodied gash on her right kneecap as her legs rested on the rim of a bathtub. Around her knee, other bruises appeared in a circular pattern.

“It was a slide on my knees mome that usually makes them go ahhh,” the “Teenage Dream” singer texted her friend in the next slide, “and it just made me go arghh.”

Other moments from the post include a snap of Perry and her ex Orlando Bloom ’s 4-year-old daughter Daisy , as well as a vid

See Full Page