LONDON, UNITED KINGDOM - AUGUST 30: Prince William, Duke of Cambridge (L), Catherine, Duchess of Cambridge (2nd L), Sophie, Countess of Wessex (R) and her daughter Lady Louise Windsor (2nd R) applaud as the watch British cyclist Sarah Storey break a world record in her C5 Individual Pursuit heat during Day 1 of the London 2012 Paralympic Games on August 30, 2012 in London, England. (Photo by Stefan Rousseau - WPA Pool/Getty Images)

LONDON, UNITED KINGDOM - AUGUST 30:  Prince William, Duke of Cambridge (L), Catherine, Duchess of Cambridge (2nd L), Sophie, Countess of Wessex (R) and her daughter Lady Louise Windsor (2nd R) applaud as the watch British cyclist Sarah Storey break a world record in her C5 Individual Pursuit heat during Day 1 of the London 2012 Paralympic Games on August 30, 2012 in London, England.  (Photo by Stefan Rousseau - WPA Pool/Getty Images)