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"Brad Pitt and Angelina Jolie have reportedly celebrated their oldest son Maddox&amp;#039;s birthday. According to Radar Online, the couple took Maddox, who turned nine earlier this week, Pax and sisters Zahara and Shiloh to the Go Kart World in Carson, California on Saturday. A source said: &amp;quot;They stayed for about two hours. Brad and Angie were very nice people and only asked other people there not take pictures.&amp;quot; Liev Schreiber recently revealed that his and Jolie&amp;#039;s children had playdates on the set of Salt. Salt is currently playing in US cinemas and is released in the UK on August 20. "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.digitalspy.com/showbiz/news/a258125/pitt-jolie-celebrate-maddoxs-birthday/>