Napoleon Buddy D'umo (born October 17, 1968) and Tabitha A. D'umo (née Cortopassi born September 11, 1973), also known as Nappytabs, are husband and wife choreographers who are often credited with developing the new style of hip-hop dance known as lyrical hip-hop. They have been working together in the dance industry since 1996 and are best known for their choreography on the TV show "So You Think You Can Dance". They were nominated for a 2009 Emmy Award for Outstanding Choreography for their work on the fourth season of the show. Napoleon and Tabitha were also supervising choreographers on MTV's "America's Best Dance Crew" for the first five seasons.