We knew that Miley Cyrus was a rebel, but now we know she has a "Rebel Yell" too.
The singer and new Voice coach joined '80s pop/rock legend Billy Idol onstage at the iHeartRadio Music Festival in Las Vegas on Friday night (Sept. 23) to wail the title track from Idol's 1983 hit album.
iHeartRadio Music Festival Day 1: How to Watch Drake, U2, Sia & More Live From Vegas
After a mini-set from Idol -- which kicked off with back-to-back megahits "Dancing With Myself" and "White Wedding" -- Cyrus emerged to perform, as she excitedly hollered, "with Billy f---ing Idol."
Miley + Billy #iHeartFestival
A video posted by Katie Atkinson (@ktbyrnie) on Sep 23, 2016 at 8:22pm PDT
The iHeartRadio Music Festival also features performances from Drake, Sia and U2 tonight before kicking off night two on Saturday with Britney Spears, Sting and Ariana Grande.
