LONDON, ENGLAND - OCTOBER 10: Catherine, Duchess of Cambridge arrives to celebrate World Mental Health Day with Heads Together at the London Eye on October 10, 2016 in London, England. (Photo by Karwai Tang/WireImage)
LONDON, ENGLAND - OCTOBER 10: Catherine, Duchess of Cambridge arrives to celebrate World Mental Health Day with Heads Together at the London Eye on October 10, 2016 in London, England. (Photo by Karwai Tang/WireImage)