To make matters worse, none of her dancers noticed or told her.
Photo credit: MEGA
This isn't the first time she's experienced some sort of wardrobe malfunction. One of her breasts popped out during a performance at one of her Vegas shows in 2017. She was wearing a dazzling green leotard when it happened.
Photo credit: INSTARImages
What are your thoughts on Britney's "slip"? Sound off in the comments!