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"Chris Brown has joined Justin Bieber on stage in Australia during one of the teen singer&amp;#039;s &amp;#039;My World&amp;#039; tour concerts. It was speculated earlier in the day that Bieber wouldn&amp;#039;t be performing in Sydney due to an accident in Bali last weekend, but the 17-year-old ignored his doctor&amp;#039;s advice and went ahead with the show. Hours after Bieber announced that he was to continue to play Sydney, music video director Alfredo Flores tweeted: &amp;quot;@JustinBieber and @ChrisBrown just tore the stage down. INSANE. #MyWorldTour (sic)&amp;quot; The &amp;#039;Baby&amp;#039; star sang Brown&amp;#039;s hit &amp;#039;With You&amp;#039; acapella, before introducing the R&amp;amp;B star himself. The duo then performed a rendition of Brown&amp;#039;s track &amp;#039;Look At Me Now&amp;#039;, with Bieber demonstrating his rapping ability. Bieber then took to Twitter himself posting: &amp;quot;And they thought we might cancel tonight. Look at Me Now! I love Australia! #SWAG.&amp;quot; The pair recently duetted on a track titled &amp;#039;Up&amp;#039;, which appears on Brown&amp;#039;s new album F.A.M.E. Watch Justin Bieber and Chris Brown&amp;#039;s performance in Sydney below:  "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.digitalspy.com/music/news/a316953/chris-brown-joins-justin-bieber-on-stage/>