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SINGAPORE - SEPTEMBER 23: Justin Bieber performs live at the Padang Stage on Day 3 at the closing party of the Singapore Formula One Grand Prix on September 23, 2013 in Singapore. (Photo by Nicky Loh/Getty Images)

SINGAPORE - SEPTEMBER 23:  Justin Bieber performs live at the Padang Stage on Day 3 at the closing party of the Singapore Formula One Grand Prix on September 23, 2013 in Singapore.  (Photo by Nicky Loh/Getty Images)