RANDY JACKSON PRESENTS AMERICAS BEST DANCE CREW is a hip-hop dance competition produced by American Idol=http:> judge Jackson and hosted by Mario Lopez. After auditioning hundreds of dance groups from all across America, nine crews were selected to compete. Every week, their hip-hop inspired routines must impress judges like N Sync founder JC Chasez and hip-hop superstar Lil Mama, who choose the top teams. The bottom two finishers must dance it out in the "battle zone," where they each have one more chance to out-step the other. Meanwhile, viewers can cast votes for their favorite teams to help strengthen their position in the competition. The last crew standing wins $100,000 and the title of Americas Best Dance Crew.