Twitter / . 1 / 15

Pop star Demi Lovato has sparked rumors she has broken her right leg after slipping on a freshly-polished floor at her home.

VIDEO: Celebs without makeup

The "X Factor" judge has posted several photos online showing crutches and a leg encased in a surgical boot, leading to speculation Lovato suffered an injury at her mansion in Los Angeles last week.

RELATED: Demi Lovato living in sober house?

In a message alongside one of the images, she writes, "This sucks! Never, ever, ever, EVER let your roommate clean your hardwood floors with Pledge ..."

RELATED: Celebs reveal hair transformations on Twitter