Royal Ascot 2012: Black Caviar wins Jubilee Stakes by a head

Australian mare Black Caviar wins the Diamond Jubilee Stakes at Ascot by a head to stretch her unbeaten run to 22 races.

The 1-6 favourite narrowly held on from Moonlight Cloud (5-1) with 40-1 shot Restiadargent a neck further back in third.

It was revealed in April 2013 that the Australian mare is to be retired after winning 25 consecutive races.

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