At a Sabrina Carpenter concert, a woman shocked fans by peeing on the floor, causing chaos.

Sabrina Carpenter brought Kacey Musgraves on stage during her headlining set at the Outside Lands Music Festival to perform "These Boots Are Made For Walkin'."

"Like this if Spotify automatically plays her music for you too I'm trying to see something," one fan wrote online.

The two photos are strikingly similar. Sabrina Carpenter is under fire for her new album cover. The "Espresso" singer is gearing up to release her album, 'Short 'n Sweet,' on August 23.