Tabitha D'umo and Napoleon D'umo, known together as Nappytabs, are two-time Emmy Award-winning and four-time Emmy-nominated married choreographers who are often credited with developing lyrical hip-hop. They are best known for their choreography on So You Think You Can Dance and for being supervising choreographers and executive producers of America's Best Dance Crew. They own Nappytabs urban dancewear and have been working in the dance industry since 1996.

The pair have provided creative direction for tours and live events by Christina Aguilera, Ricky Martin, Celine Dion, and Jennifer Lopez. From television and concerts, they moved into theater by directing the JabbaWockeeZ's MÜS.I.C. stage show and working with Cirque du Soleil; they choreographed Viva Elvis and were contributing choreographers for Michael Jackson: The Immortal World Tour and choreographed Madonna's Super Bowl halftime performance.

Tabitha and Napoleon will serve as supervising choreographers for NBC's upcoming series, World of Dance, where elite dancers compete in epic battles of artistry, precision and athleticism.