Kelly Clarkson, Reba & Dolly Cameo on Pentatonix Christmas SpecialKelly Clarkson stopped by Pentatonix's Christmas special on NBC Wednesday night to duet with the a cappella group on the Yuletide classic "I'll Be Home for Christmas."
Pentatonix Pulls Off 8,000 Person #MannequinChallengeHere's what an arena of 8,000 silent, motionless concert-goers looks like.
Pentatonix Christmas Special with Kelly Clarkson!A Pentatonix Christmas special
Watch an Epic Pentatonix Version of 'Hallelujah'Kevin Olusola, Kirstin Maldonado, Avi Kaplan, Mitch Grassi and Scott Hoying will amaze you.
Meghan Trainor Loves Pentatonix's Cover of 'No'"I have chills all over my body. Coolest thing ever. Dreams come true."
Favorite Acapella Christmas SongsAnd if you need some inspiration for what song to pick or just love acapella Christmas music we wanted to show you a few of our favorites!
Watch Two Guys Cover Beyoncé's Entire Album In Under Six MinutesWhat's better than the unexpected release of Beyoncé's self-titled "visual" album? Two guys from an a cappella group unexpectedly pulling off the greatest cover of her album in just around five minutes.
'Gangnam Style' Gets A Capella CoverYouTube sensations Pentatonix's debut album features the track, plus covers of songs by Nicki Minaj, Gotye and fun.