Leah Remini has appeared as a judge on Dancing with the Stars .
Other celebrities , most often those who are associated with the world of dancing , former professional dancers , and past contestants have appeared as the fourth judge or in absence of one of the main judges , including Paula Abdul , Donnie Burns , Nick Carter , Cher , Maksim Chmerkovskiy , Michael Flatley , Kevin Hart , Jessie J , Rashad Jennings , Baz Luhrmann , Ricky Martin , Idina Menzel , Abby Lee Miller , Mandy Moore , Olivia Newton-John , Kenny Ortega , Donny Osmond , Pitbull , Redfoo , Alfonso Ribeiro , Robin Roberts , David Ross , Shania Twain , and Zendaya.
Dancing with the Stars -LRB-American TV series-RRB-