Watch Justin Bieber Sing 'Big Girls Don't Cry' on 'Lip Sync Battle'

Justin Bieber belts his heart out in this first look at his upcoming performance on Lip Sync Battle!

The 21-year-old entertainer serenades the crowd with Fergie‘s hit “Big Girls Don’t Cry,” while battling former pro football player Deion Sanders.

That same episode, Justin looks unrecognizable while dressing up as Ozzy Osbourne to sing his 1980 hit “Crazy Train.”

Watch Justin Bieber on Lip Sync Battle on Thursday, July 16 @ 10:00pm ET/PT on Spike!

See the sneak peek below!