Tabitha A. D'umo (née Cortopassi born September 11, 1973) and Napoleon Buddy D'umo (born October 17, 1968), known together as Nappytabs, are Emmy Award winning married choreographers who are often credited with developing the new style of hip-hop dance known as lyrical hip-hop. They are best known for their choreography on the TV show So You Think You Can Dance and for being supervising choreographers on America's Best Dance Crew for the first five seasons. Since being with the former, their choreography has received both positive and negative criticism. They own Nappytabs urban dancewear and have been working together in the dance industry since 1996.