Her engagement was originally scheduled to start in in August, but was delayed to allow her time to fully recover from a foot injury. She'll remain with the Broadway production for six weeks through Nov. 1.
Willis is the winner of the TV show "Dancing With the Stars" and the eldest daughter of Demi Moore and Bruce Willis.
Chicago currently stars Amra-Faye Wright as Velma Kelly, Ryan Silverman as Billy Flynn, Raymond Bokhour as Amos Hart, NaTasha Yvette Williams as Matron “Mama” Morton and R. Lowe as Mary Sunshine.
To purchase tickets and for more information visit ChicagoTheMusical. The Ambassador Theatre is located at 219 W. 49th St., Manhattan.