LONDON, ENGLAND - MAY 16: Prince William, Duke of Cambridge attends the launch of Heads Together Campaign at Olympic Park on May 16, 2016 in London, England. Photo by Ben Pruchnie/WireImage) (Photo by Ben Pruchnie/WireImage)
LONDON, ENGLAND - MAY 16: Prince William, Duke of Cambridge attends the launch of Heads Together Campaign at Olympic Park on May 16, 2016 in London, England. Photo by Ben Pruchnie/WireImage) (Photo by Ben Pruchnie/WireImage)