Will and Kate's Olympic PDA

Prince William and Kate Middleton, aka the Duke and Duchess of Cambridge, lost their royal cool in a rare display of affection as they excitedly watched Great Britain win gold at the Velodrome cycling venue on Thursday. -- By Carla Thorpe, Yahoo! Sports

Prince William & Kate Middleton

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge during Day 6 of the London 2012 Olympic Games at Velodrome on August 2, 2012 in London, England. (Photo by Pascal Le Segretain/Getty Images)

Prince William & Kate Middleton

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge during Day 6 of the London 2012 Olympic Games at Velodrome on August 2, 2012 in London, England. (Photo by Pascal Le Segretain/Getty Images)

Prince William & Kate Middleton

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge embrace after Philip Hindes, Jason Kenny and Sir Chris Hoy of Great Britain win the gold and a new world record in the Men's Team Sprint Track Cycling final during Day 6 of the London 2012 Olympic Games at Velodrome on August 2, 2012 in London, England. (Photo by Pascal Le Segretain/Getty Images)

Prince William & Kate Middleton

Catherine, Duchess of Cambridge, Prince William, Duke of Cambridge and Prince Harry during Day 6 of the London 2012 Olympic Games at Velodrome on August 2, 2012 in London, England. (Photo by Pascal Le Segretain/Getty Images)

Prince William & Kate Middleton

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge embrace after Philip Hindes, Jason Kenny and Sir Chris Hoy of Great Britain win the gold and a new world record in the Men's Team Sprint Track Cycling final during Day 6 of the London 2012 Olympic Games at Velodrome on August 2, 2012 in London, England. (Photo by Pascal Le Segretain/Getty Images)

Prince William & Kate Middleton

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge during Day 6 of the London 2012 Olympic Games at Velodrome on August 2, 2012 in London, England. (Photo by Pascal Le Segretain/Getty Images)

Prince William & Kate Middleton

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge during Day 6 of the London 2012 Olympic Games at Velodrome on August 2, 2012 in London, England. (Photo by Pascal Le Segretain/Getty Images)

Prince William & Kate Middleton

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge look on during Day 6 of the London 2012 Olympic Games at Velodrome on August 2, 2012 in London, England. (Photo by Pascal Le Segretain/Getty Images)

Prince William & Kate Middleton

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge during Day 6 of the London 2012 Olympic Games at Velodrome on August 2, 2012 in London, England. (Photo by Pascal Le Segretain/Getty Images)

Prince William & Kate Middleton

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge embrace after Philip Hindes, Jason Kenny and Sir Chris Hoy of Great Britain win the gold and a new world record in the Men's Team Sprint Track Cycling final during Day 6 of the London 2012 Olympic Games at Velodrome on August 2, 2012 in London, England. (Photo by Pascal Le Segretain/Getty Images)

Prince William & Kate Middleton

Catherine, Duchess of Cambridge, Prince William, Duke of Cambridge and Prince Harry during Day 6 of the London 2012 Olympic Games at Velodrome on August 2, 2012 in London, England. (Photo by Pascal Le Segretain/Getty Images)

Prince William & Kate Middleton

Catherine, Duchess of Cambridge during Day 6 of the London 2012 Olympic Games at Velodrome on August 2, 2012 in London, England. (Photo by Pascal Le Segretain/Getty Images)

Prince William & Kate Middleton

Princess Beatrice (L) and Princess Eugenie during Day 6 of the London 2012 Olympic Games at Velodrome on August 2, 2012 in London, England. (Photo by Pascal Le Segretain/Getty Images)

Prince William & Kate Middleton

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge during Day 6 of the London 2012 Olympic Games at Velodrome on August 2, 2012 in London, England. (Photo by Pascal Le Segretain/Getty Images)

Prince William & Kate Middleton

Catherine, Duchess of Cambridge, Prince William, Duke of Cambridge and Prince Harry during Day 6 of the London 2012 Olympic Games at Velodrome on August 2, 2012 in London, England. (Photo by Pascal Le Segretain/Getty Images)

Prince William & Kate Middleton

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge embrace after Philip Hindes, Jason Kenny and Sir Chris Hoy of Great Britain win the gold and a new world record in the Men's Team Sprint Track Cycling final during Day 6 of the London 2012 Olympic Games at Velodrome on August 2, 2012 in London, England. (Photo by Pascal Le Segretain/Getty Images)

Prince William & Kate Middleton

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge during Day 6 of the London 2012 Olympic Games at Velodrome on August 2, 2012 in London, England. (Photo by Pascal Le Segretain/Getty Images)

Prince William & Kate Middleton

Catherine, Duchess of Cambridge, Prince William, Duke of Cambridge and Prince Harry during Day 6 of the London 2012 Olympic Games at Velodrome on August 2, 2012 in London, England. (Photo by Pascal Le Segretain/Getty Images)

Prince William & Kate Middleton

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge embrace after Philip Hindes, Jason Kenny and Sir Chris Hoy of Great Britain win the gold and a new world record in the Men's Team Sprint Track Cycling final during Day 6 of the London 2012 Olympic Games at Velodrome on August 2, 2012 in London, England. (Photo by Pascal Le Segretain/Getty Images)

Prince William & Kate Middleton

Sir Tim Lawrence, Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge during Day 6 of the London 2012 Olympic Games at Velodrome on August 2, 2012 in London, England. (Photo by Pascal Le Segretain/Getty Images)

Prince William & Kate Middleton

Prince Harry climbs over to his seat as Prince William; Duke of Cambridge (L) and Prime Minister David Cameron (R) look on his during Day 6 of the London 2012 Olympic Games at Velodrome on August 2, 2012 in London, England. (Photo by Pascal Le Segretain/Getty Images)

Prince William & Kate Middleton

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge look on during Day 6 of the London 2012 Olympic Games at Velodrome on August 2, 2012 in London, England. (Photo by Pascal Le Segretain/Getty Images)

Prince William & Kate Middleton

Princess Beatrice (L) and Princess Eugenie enkoy the atmosphere during Day 6 of the London 2012 Olympic Games at Velodrome on August 2, 2012 in London, England. (Photo by Pascal Le Segretain/Getty Images)

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