pentatonix

You need to hear this cover.

Pentatonix beautifully mix Dua Lipa's "New Rules" with Aaliyah's "Are You That Somebody."

It'll be the group's first album since Avi Kaplan left the group.

Kirstin from Pentatonix breaks out on her own with 'Break a Little.'

In the video, Avi is accompanied by the rest of his a capella group, who support his decision in solemn silence.

Between big-time returns from STEPS and Michelle Branch and a huge debut from The Chainsmokers, there's a lot to come from pop this spring.

From Beyonce to Adele to Anderson .Paak and A Tribe Called Question -- who had the best 2017 Grammys performance?

Searching for some last minute Christmas gift ideas? Check out our holiday gift guides from Little Mix, Pentatonix, Kelsea Ballerini and Betty Who!

PTX's Kirstin Maldonado provides her picks for the perfect Christmas gift this holiday season.