The House Bunny star, whose parents are Demi Moore and Bruce Willis, won the 2015 reality TV show last month (May15) and is currently on a U.S. tour with fellow stars of the show including musician Riker Lynch and model/athlete Noah Galloway.

However, Willis has taken to to inform fans she is now unable to dance on the tour due to an injury, but she plans to sing during the stage shows instead.

She writes, "I have to hang up my dancing shoes for a little bit because of a few stress fractures in my foot but it's not gonna stop me from singing for you guys on the (tour)..."

The Dancing with the Stars tour concludes in Rockford, Illinois in August (15).