It's that time of the year again and we recap everything by putting them together. Here's a video that puts all the popular hits of 2014 into one. It's as epic as it usually is. Check it out.

There's Katy Perry of course.

Her nemesis Taylor.

Then there's Meghan Trainor.

And Iggy.

And more. Watch the mashup:

Featuring:

A Great Big World feat. Christina Aguilera - Say Something
Ariana Grande feat. Iggy Azalea - Problem
Bastille - Pompeii
Dj Snake & Lil Jon - Turn Down For What
Hozier - Take Me to Church
Idina Menzel - Let It Go
Iggy Azalea feat. Charli XCX - Fancy
Iggy Azalea feat. Rita Ora - Black Widow
Jason Derulo feat. 2 Chainz - Talk Dirty
Jeremih feat. YG - Don't Tell 'Em
Jessie J feat. Ariana Grande & Nicki Minaj - Bang Bang
John Legend - All Of Me
Katy Perry feat. Juicy J - Dark Horse
Lorde - Team
Magic! - Rude
Maroon 5 - Animals
Meghan Trainor - All About That Bass
Nico & Vinz - Am I Wrong
One Direction - Story of My Life
Passenger - Let Her Go
Pharrell Williams - Happy
Pitbull feat. Ke$ha - Timber
Sam Smith - stay with me
Taylor Swift - Shake It Off
Tove Lo - Habits