The 12 Hottest Summer Tours of 2014

Justin Timberlake is going to be one busy man. His 20/20 Experience World Tour is going from April to December 2014.

Get ready to rock! Aerosmith and Slash are teaming up for the Let Rock Rule World Tour.

From their "Monster" duet to a Monster tour, Rihanna and Eminem are hitting the road together this summer.

Arcade Fire is back! They're touring all around the world on the Reflektor Tour, but spending plenty of time in the good ol' US of A.

It's like 9th grade all over again! You can see Backstreet Boys and Avril Lavigne on the same night, and your inner teen will be so psyched.

Whip your hair back and forth. Paramore and Fall Out Boy are bringing their sweet pop-punk tunes to your 'hood this summer on the Monumentour.

Hey ladies! Cher and Cyndi Lauper are going on the tour of your dreams. If only we could add Spice Girls into the mix...

Did you miss Outkast at Coachella? No worries. They're going on tour this summer

Katy Perry will be supporting her album Prism this summer on a Prismatic tour, where she will be joined by Tegan and Sara, Kacey Musgraves, and Capital Cities.

The one tour you and your mom can agree on: Bruno Mars and Pharrell are hitting the road together!

Beyonce and Jay-z have finally confirmed their On the Run tour. Hello, Carter family!

Lady Gaga's summer ARTPOP tour will be opened by a digital projection of a Japanese pop star character, Hatsune Miku. Okayyyyy.....