Demi Lovato is wearing a leg cast after apparently taking a nasty fall at home.

Last week, Demi tweeted, "Never, ever, ever, EVER let your roommate clean your hardwood floors with Pledge...."

There wasn't much context to her comment at the time, but on Friday she tweeted a photo of her wearing a cast on her right leg, with crutches lying on the ground. She wrote, "This sucks :("