JUST ADDED: 5 Seconds of Summer will be rocking the stage at this year's iHeartRadio Music Festival Village in Las Vegas! The band sat down with Ryan Seacrest to break the news. Click here to buy your tickets now, before they sell out!
On Friday night, Ariana Grande appeared on 'Late Night with Jimmy Fallon,' where she joined Jimmy (who donned a blond wig for the occasion) to perform Broadway versions of hip-hop songs. The hilarious video just goes to show that Ariana Grande can sing absolutely ANYTHING.
Check out Ariana and Jimmy's Broadway take on JAY Z's "99 Problems," Cypress Hill's "Insane in the Brain" and Macklemore and Ryan Lewis' "Thrift Shop."