Having been a frontrunner on the show, the group of five beat out Dartmouth Aires and Urban Method to win the grand prize of $200,000 and a Sony recording contract.
Pentatonix's sacrifice to join "The Sing-Off" has been paid off. The electro-funky quintet, whose members dropped out of school to compete on the singing competition, were crowned the winner of the NBC show's season 3.
On the Monday, November 28 finale, Pentatonix took the stage to perform David Guetta's "Without You" and collaborate with host Nick Lachey to sing "Give Me Just One Night (Una Noche)", which was made popular by his former group, 98 Degrees.
Another finalist Urban Method opted to deliver a rendition of "Stereo Hearts" by Gym Class Heroes ft. Adam Levine. The the hip-hop troupe later teamed up with judge Sara Bareilles on her new single "Gonna Get Over You".
As for Dartmouth Aires, they chose Meat Loaf's "Paradise by the Dashboard Light" for their final performance. The college group were also honored to collaborate with judge Ben Folds on his classic hit song "Not the Same".
Lachey then declared Pentatonix as the champion of the season, while Dartmouth Aires took the second place and Urban Method claimed the third position. The group of five from Arlington, TX were entitled to a grand prize of $200,000 and a recording contract with Sony Music.
Commenting on his group's win, Scott Hoying said, "I don't even know what to say, I can't believe it." The male lead added, "I'm just so humbled to share the stage with my best friends. They're my family. These were 16 amazing groups - I can't believe this has happened."