Watch Justin Bieber & Selena Gomez Surprise Fans With 'Who Says' Duet in Brazil!
Oct. 7 2011, Published 5:19 a.m. ET
Justin Bieber had a special guest join him on stage during his concert in Rio de Janeiro Thursday night. Can you guess who? His one-and-only leading lady Selena Gomez! Jelena fans got a huge surprise when Selena came out on stage with her "Who Says" and Justin joined in with her!
"RIO!!! CRAZY!! thanks to @selenagomez for helping me do something special for the crowd. a duet never hurt nobody. WHO SAYS" Justin Tweeted Thursday night.
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Selena arrived with Justin in Rio earlier this week, and the teen dream couple have been side by side ever since.
On Wednesday, Justin took Selena on a romantic dinner date at the Copa Club, according to Just Jared.
He also debuted the title track off his Christmas album, "Mistletoe," at his concert Wednesday night, to the delight of fans.
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It has been a week of surprises for JB fans as Bieber Fever is taking over the world!
Watch Justin and Selena's duet of "Who Says"via YouTube, below.