Justin Bieber is busy touring Brazil, and the 17-year-old signing sensation shared a few vocals with his fans from his balcony at Copacabana Palace! Justin is bunking up with girlfriend Selena Gomez, and the duo arrived in Rio earlier this week, At Justin's Wednesday night performance, he treated Brazilian fans to a preview of his Christmas album — performing title track "Mistletoe"![gallery nid="48719"] "had a lil fun last night in RIO....show #2 in RIO is 2nite....got some very special guests with me 2nite. #Mistletoe" Justin Tweeted today, along with a Read More >>