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!
Jimmy Fallon and Paul Rudd competed in a lip sync battle on the “Tonight Show,” and the Anchorman and Clueless star crushed it.
Rudd belted out “Better Be Good To Me” by Tina Turner and “Don’t Stop Me Now” by Queen, while Fallon sang “Juke Box Hero” by Foreigner before conceding defeat.
Check out the video below.