In pictures: Sir Ben Ainslie leads Britain's BAR team to victory at the America's Cup World Series

Kate Middleton and Prince William visit Land Rover BAR at the America's Cup World Series on July 24, 2016 in Portsmouth, England
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Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge tour the Land Rover BAR boat shed during a visit Land Rover BAR at the America's Cup World Series on July 24, 2016 in Portsmouth, England. (Getty Images)
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Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge ride in the front of a boat as they watch the America's Cup World Series Race on the Solent on July 24, 2016 in Portsmouth, United Kingdom. The royal couple visited the home of the British competitors for the America's Cup before observing the ongoing competition. (Getty Images)
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Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge ride in the front of a boat as they watch the America's Cup World Series Race on the Solent on July 24, 2016 in Portsmouth, United Kingdom. The royal couple visited the home of the British competitors for the America's Cup before observing the ongoing competition. (Getty Images)
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Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge ride in the front of a boat as they watch the America's Cup World Series Race on the Solent on July 24, 2016 in Portsmouth, United Kingdom. The royal couple visited the home of the British competitors for the America's Cup before observing the ongoing competition. (Getty Images)
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Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge watch the America's Cup World Series Race from a boat on the Solent on July 24, 2016 in Portsmouth, United Kingdom. The royal couple visited the home of the British competitors for the America's Cup before observing the ongoing competition. (Getty Images)
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Catherine, Duchess of Cambridge and Land Rover BAR skippered by Ben Ainslie attend the America's Cup World Series on July 24, 2016 in Portsmouth, England. (Getty Images)
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Catherine, Duchess of Cambridge attends the America's Cup World Series on July 24, 2016 in Portsmouth, England. (Getty Images)
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Catherine, Duchess of Cambridge attends the America's Cup World Series on July 24, 2016 in Portsmouth, England. (Getty Images)
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Catherine, Duchess of Cambridge attends the America's Cup World Series on July 24, 2016 in Portsmouth, England. (Getty Images)
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Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge are greeted before a tour of the Land Rover BAR boat shed during a visit Land Rover BAR at the America's Cup World Series on July 24, 2016 in Portsmouth, England. (Getty Images)
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Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge pose with members of the 1851 Trust Charity as they visit Land Rover BAR at the America's Cup World Series on July 24, 2016 in Portsmouth, England. (Getty Images)
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Catherine, Duchess of Cambridge and Land Rover BAR skippered by Ben Ainslie attend the America's Cup World Series on July 24, 2016 in Portsmouth, England. (Getty Images)
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Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge attend the America's Cup World Series on July 24, 2016 in Portsmouth, England. (Getty Images)
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Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge pose for a photo with the 1851 Trust during a visit Land Rover BAR at the America's Cup World Series on July 24, 2016 in Portsmouth, England. (Getty Images)