Joel Madden made a surprise appearance on Justin Bieber's concert stage last night in Malaysia and discovered the direct effect of Bieber Fever!
“I'm trending on twitter right now??”Joel Tweeted on Thursday. “WTF man Thats what happens when you get on stage with @justinbieber Hell yeah”
Justin let Joel take the stage and sing his hit song, "Don't Wanna Be In Love" in front of his screaming fans.
The 17-year-old singer Tweeted, "the show must go on! Great show out in the Rain In Malaysia!! Crowd was incredible and it was HOT!!!!"
Watch a video from the performance below!