Duke and Duchess of Duchess of Cambridge and Prince Harry during Day 6 of the London 2012 Olympic Games at Velodrome on August 2, 2012 in London.

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.

Kate and William stare intently at the action on the cycling track.

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.

Gaze, their eyes showing everything.

The royal couple embraces after Philip Hindes, Jason Kenny and Chris Hoy win the gold and set a world record in team sprint final on Thursday.

Sir Tim Lawrence, Princess Anne's husband, chats with Prince William while Kate stays behind her hands during the cycling races.

The couple was often seen chatting engrossed in the game.

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.

Kate, William and Harry urge on the British cyclists in pursuit of gold.

William did not release his wife's arms around her waist while cheering for the England team.