The sixteenth season panel of judges again features series creator Nigel Lythgoe, as well as the return of ballroom dance champion and expert Mary Murphy. New to the panel are choreographer Laurieann Gibson and B-boy dancer/choreographer Dominic "D-Trix" Sandoval, who serve as the third and fourth judges during auditions and live shows. Cat Deeley continues in her role as host for a fifteenth consecutive season.