Justin Bieber bumped in onstage scuffle in Dubai Things got a little hectic during Justin Bieber's Dubai concert on Sunday night when a crazed fan stormed onstage and grabbed the singer from behind. MEGASTAR Justin Bieber has been bumped in a bust-up between security guards and a rogue fan during a concert in Dubai. Mobile phone video popped up across showing a male fan rushing toward the 19-year-old performer, who was sitting at a piano on the edge of the stage. Security guards tackled the young man from behind, spilling into Bieber and tipping over the piano. Bieber twisted away and then strolled off stage while the guards dragged away the fan. The concert on Sunday - the second of a two-performance stand in Dubai - resumed after a short break and Bieber appeared calm and unharmed. He later tweeted: "Dubai. Nothing stops the show. A screen grab from YouTube user Ritvik Sethi's footage showing a fan approaching Justin Bieber onstage in Dubai.