Billy Idol stole the spotlight at last night's iHeartRadio music festival by inviting pop star Miley Cyrus to join him for an energetic duet on his 1983 smash "Rebel Yell."
Billy Idol fans waited years for his new LP, 'Kings & Queens of the Underground' -- and now they'll have to wait a little longer for him to start his U.S. tour in support of the album.