She explained that she had been attempting to pour powder over her body but the lid came off.
In view of her 220,000 followers, she captioned the post: “Made a mess with the talcum powder. Love the smell. The top came off. Lol [Laugh out loud]. Oh dear.”
Ahead of her appearance on Strictly, Shirley unveiled her latest ensemble for the programme.
The head judge looked glamorous as she stepped onto the panel in royal blue.