How Long Is Your Favorite Pop Group's Birthday Season?

Can anyone beat Fifth Harmony's birthday span?

Pop-Star Christmas Albums: The Definitive Ranking

From Kelly Clarkson to Snoop Dogg to, OK, sure, Pentatonix

18 Holiday-Themed Music Merch Items To Help You Stan While You Sleigh

The Shawn Mendes knit beanie is a must-have

Miley Cyrus Reunited With A Hannah Montana Co-Star Just In Time For The Disney Marathon

And sang her heart out

19 Concert Tours You Absolutely Can’t Miss This Fall

Kanye West, The 1975, Green Day, Adele, Charlie Puth, and more will be coming to a city near you this fall.

14 Times Your Favorite Pop Stars Brought Holiday Cheer Into The World

Here's how your favorite pop stars are celebrating the holidays.

We Asked Pentatonix Which Member Would Most Likely Commit A Crime

We asked Pentatonix a bunch of Qs to find out which member was most likely to flirt, snore, etc. Their answers were pretty outrageous.

Pentatonix Literally 'Thank Everyone' After Their 2015 Grammy Win: Watch

Watch Pentatonix 'thank everyone' on the 57th Annual Grammy Awards red carpet after winning Best Arrangement, Instrumental Or A Cappella for their 'Daft Punk' medley.

Pentatonix's Live Version Of 'Silent Night' Will Give You Chills: Watch

Pentatonix release the video for their "Silent Night" holiday cover.

Pentatonix Wage War On Thanksgiving With 'That's Christmas To Me'

Watch Pentatonix's new video for 'That's Christmas To Me' -- if you feel like turning your back on Thanksgiving FOREVER, that is. Your call.

Taylor Swift's New Album, 1989? Watch These Guys Sing It In Under 4 Minutes

Pentatonix's Scott Hoying and Mitch Grassi tackle Taylor Swift's '1989' in under 4 minutes with the most flawless medley ever. Watch the video!

Pentatonix Kick Off The Holiday Season Insanely Early With Their New Video

Watch Pentatonix's new video for "Winter Wonderland'/'Don't Worry, Be Happy" featuring Tori Kelly.

Pentatonix Sing Harry Styles And Katy Perry’s Tweets

Watch acapella group Pentatonix turn celebrity tweets by Katy Perry, Harry Styles and Dylan O'Brien into a musical number!

The 33 Most Iconic Pop Moments Of Summer 2014

Summer 2014 saw some HUGE moments in pop music -- from copious amounts of booty to everything Beyonce did ever. Check out our rundown!

This A Cappella Version Of Ariana Grande's 'Problem' Is Insane

Watch Pentatonix sing Ariana Grande and Iggy Azalea's "Problem" a cappella. Why? BECAUSE IT'S THE BEST.

Oh My God, SUPERFRUIT Just Covered Miley Cyrus' Entire Career

Watch the SUPERFRUIT guys (aka Mitch Grassi and Scott Hoying of a cappella group Pentatonix) perform a medley of all of Miley Cyrus' (and Hannah Montana's) greatest hits.

Superfruit Play Gay, Bey Or Nay: Watch

In celebration of the Pentatonix sub-duo's love for Queen B, MTV News put the guys to the ultimate test with a Beyoncé inspired version of the game F***, Marry, Kill.

Wait, Did These Pentatonix Guys Just Cover Beyonce's Whole Album In Under 6 Minutes?!

Mitch Grassi and Scott Hoying of Pentatonix literally just mashed Beyoncé's entire new album up in under six minutes, and we literally cannot.