Pentatonix in an Airport!

Pentatonix at Barney's Party last night...

Pentatonix - Gangnam Style Bloopers!!

Pentatonix Performs at All Children's Hospital

This is what happens when you play piano near the Paris Opera 😱😍

Tribal People React to Pentatonix Hallelujah

【Pentatonix】+ Random jamming/Singing on the fly

Trio Sings Telephone by Lady Gaga in Concert

Pentatonix Sing "I Need Your Love" & Switch Vocal Parts

Behind The Scenes with Pentatonix!

Kirstin is engaged to Ben! Watch the rest of Pentatonix react!💍

Pentatonix "Sweet Dreams".....This Happened.

Pentatonix - Star Wars Tribute (Live at the AMA's 2015) | Opera Singer Reacts

Pentatonix - Happy (Official Video)

Martin High School Alumni:Pentatonix

[Official Video] Can't Hold Us - Pentatonix (Macklemore & Ryan Lewis cover)

Pentatonix AMA 2012 Pre-Show Medley -- Justin Bieber, Taylor Swift & Nicki Minaj

Pentatonix sing 'Without You' in a parking garage from PTXofficial facebook page

Pentatonix cover 'Ride' by Twenty One Pilots

FROZEN MEDLEY (feat. Kirstie Maldonado)

Pentatonix - "Moves Like Jagger"