Video: Judy Murray celebrates Heather Watson's win with the 'sprinkler' dance

Watch Andy Murray's mum Judy celebrate Heather Watson's Japan Open victory by performing the 'sprinkler' dance.

Tennis coach Judy Murray has shown her support to British star Heather Watson by doing 'the sprinkler' dance following the 20-year-old's triumph at the Japan Open at the weekend.

The mother of US Open champion Andy Murray was joined by a host of young tennis hopefuls as they performed their own special celebration to Watson.

Watch Judy do 'the sprinkler' below:

Andy Murray
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