The second season of The Sing-Off began on December 6, 2010. The number of a cappella groups was increased from eight to ten, with all acts coming from the United States. Nick Lachey remained as host and the three judges, Ben Folds, Shawn Stockman and Nicole Scherzinger, also returned. The program was broadcast for five nights in December with the finale on December 20. The season premiere averaged 8.5 million viewers. On the finale, the group Committed became the second champion of the show, beating Street Corner Symphony, The Backbeats and Jerry Lawson & Talk of the Town.