PORTSMOUTH, ENGLAND - FEBRUARY 12: Catherine, Duchess of Cambridge and Ben Ainslie (L) visit Spinnaker Tower on February 12, 2015 in Portsmouth, England. (Photo by Samir Hussein/WireImage)
PORTSMOUTH, ENGLAND - FEBRUARY 12: Catherine, Duchess of Cambridge and Ben Ainslie (L) visit Spinnaker Tower on February 12, 2015 in Portsmouth, England. (Photo by Samir Hussein/WireImage)