Justin Bieber And Selena Gomez Duet Onstage
The couple performed 'Who Says' together in Rio…
Fans were treated to an unexpected performance by the star when she took to the stage to perform her track Who Says, which Justin joined her in performing towards the end of the song.
Biebs had previously dropped hints to fans that they could expect something special at the gig, tweeting:
"hearing [opening act] @CobraStarship killing it out there....almost time RIO....i got a big surprise tonight. #BRAZIL #myworldtour
After the show the Baby star went back on Twitter to thank Selena, writing:
"RIO!!! CRAZY!! thanks to @selenagomez for helping me do something special for the crowd. a duet never hurt nobody. WHO SAYS (sic)."
We wonder if Justin will return the favour when Selena hosts the MTV Europe Music Awards in Belfast on November 06... Keep it MTV to find out!