Left: Justin Bieber's mugshot from his recent DUI arrest.
Right: Miley Cyrus at the 2012 iHeartRadio Music Festival in Las Vegas, Nevada.
CLICK HERE to check out Justin's history of mischief before his arrest!
[Image via Judy Eddy/WENN.]
Tags: iheartradio, iheartradio music festival, justin bieber, las vegas, miley cyrus, separated at birth