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"Justin Bieber&amp;apos;s very long week in London has finally come to an end, but not without making a few headlines. A source close to the singer has an explanation for at least some of Bieber&amp;apos;s seemingly bizarre behavior, however.\r\n&amp;quot;The gas mask Justin has been wearing around London is a joke between his friends, but people are starting to take it seriously,&amp;quot; the source tells Us Weekly. &amp;quot;Justin&amp;apos;s close friend Julian Keyz (a young songwriter/producer also known as Julkeys) also wears it to pretend he&amp;apos;s Justin and throw people off as they&amp;apos;re the same height.&amp;quot;\r\n\r\n&amp;quot;All his friends take turns wearing it as a joke to throw off the paparazzi,&amp;quot; the source continued. &amp;quot;It&amp;apos;s not a serious thing, they&amp;apos;re just having fun around London with it.&amp;quot;\r\nThe 19-year-old singer was first spotted wearing the odd mask several weeks ago while shopping in Londontown, and he wore the disguise a second time on Wednesday, March 6, as he left famed restaurant Mr. Chow&amp;apos;s.\r\n\r\nJust one week earlier, the &amp;quot;Boyfriend&amp;quot; singer turned heads for a different reason -- wearing a bizarre ensemble of purple leopard-print harem pants, a black sweatshirt with illustrations of blue and yellow rolled-up bills, and a bright yellow cap with silver spikes.\r\nBieber later set the record straight with his fans, telling them that he had donned the unusual getup as part of a dare from his pal Ryan.\r\n&amp;quot;Ryan said you won&amp;apos;t go out in that, I said watch me,&amp;quot; the prankster wrote on Instagram. &amp;quot;Haha, too colorful. Next time I&amp;apos;m gonna wear a black hat.&amp;quot;\r\n\r\nOn Thursday, March 7, the singer was hospitalized after fainting mid-show during concert at London&amp;apos;s O2 arena. After spending 20 minutes offstage recouping, he returned to the stage to finish off the show.\r\nHe later performed his final show in London on Friday, March 8, despite feeling &amp;quot;a little short of breath.&amp;quot;\r\n&amp;quot;So while I have seen some crazy stuff it is all smiles,&amp;quot; he tweeted on Friday. &amp;quot;Im gonna get some rest and keep doing what i love. Entertain all of u. thanks.&amp;quot;"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.usmagazine.com/celebrity-news/news/justin-biebers-bizarre-london-gas-mask-prank-explained-201393>