The Sing-Off Christmas special and finale brings it home with a night of star-studded performances and exhilarating arrangements. Season 4 finalists Ten, Vocal Rush and Home Free kick-start the night with Michael Jackson's "Man in the Mirror," joined by the eliminated groups decked in their holiday attire.
Nick and all the groups serenade new judge Jewel with Frank Sinatra's "It Had To Be You," but Jewel is apparently in on the music - she and Nick sing a heart-stopping duet.
Each of the final groups pair up with a Sing-Off judge for special Christmas duets. Ten and Shawn Stockman deliver a rocking rendition of "Joyful Joyful" from Sister Act 2.
Season 3 champs Pentatonix stop by the finalists' rehearsals to offer last-minute industry advice before their performance. An exclusive Pentatonix performance of "I Need Your Love" by Calvin Harris featuring Ellie Goulding reminds the audience of Pentatonix's immense talent.
Home Free's last Sing-Off solo performance is "I Want Crazy" by Hunter Hayes, a performance that defies categories and shows the group's true star potential.
98 Degrees reunites for a one-time a cappella performance of "I'll Be Home for Christmas" amidst screaming fans. Ben and Jewel "critique" the group's arrangement, telling them they might have a real future in music.
The second contestant-judge duet is Vocal Rush and Ben, who deliver a heartfelt mashup of "Peace on Earth" and "Little Drummer Boy."
Ten's final Sing-Off act is Beyonce's "Love on Top." According to Shawn, it was an official "stank face" performance.
The last duet of the night is Home Free and Jewel, singing her version of "Have Yourself a Merry Little Christmas." The song showcases Jewel's range and Home Free's crooning ability.
Several eliminated Sing-Off groups join the legendary Pat Benatar and Neil Giraldo for a rendition of the hit song, "We Belong."
The last performance of the night goes to Vocal Rush, singing Katy Perry's "Roar." As always, the high school group puts an energetic twist on the popular record.
Finally, decision time is here. Each of the judges gives a final word of encouragement to the finalists and all Season 4 contestants, inspiring them to follow their a cappella dreams. Nick opens the first card - Vocal Rush is third place. It's between Ten and Home Free...
The winner of a Sony recording contract, $100,000 and the Sing-Off title is... Home Free!
It's a very merry finale as the judges - and a slew of special guests - join the contestants on stage and the Season 4 winner is announced.