This is pretty cool. When the power went out on Justin Bieber during a Harlem concert, he and his fans went all A cappella. See what we mean here.

Rating: 4.2 / 5.0 (5 Votes)

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    <div style="text-align:center;"><iframe id="viddler-66183713" src="//www.viddler.com/embed/9def4187/?autoplay=1&player=simple&liverailAUTOPLAY=0&liverailDURATION=30&liverailTITLE=Justin+Bieber%2C+Fans+Sing+%22Boyfriend%22+at+Apollo+Theater&liverailVIDEO_ID=9def4187" width="741" height="429" frameborder="0" mozallowfullscreen="true" webkitallowfullscreen="true" scrolling="no" style="overflow:hidden !important;"></iframe><br /><a href="http://www.thehollywoodgossip.com/videos/justin-bieber-fans-sing-boyfriend-at-apollo-theater/">Justin Bieber, Fans Sing &quot;Boyfriend&quot; at Apollo Theater</a></div>
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    ahhhahahhahahahahahhaha

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    Omg i fucking love Justin Bieber honestly , all them haters out there need to go some where. Like forreal. None of you guys can dance and sing as good as him




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