Model Rebecca Harper wears a Katherine Franklin-Adams hat at the 'hats on' for NSPC's Childrens day in Regent's Park today (Tuesday). Photo by Fiona Hanson/PA Stock Photo - Alamy

Harper adams hi-res stock photography and images - Page 2 - Alamy

Adams hat hi-res stock photography and images - Alamy

33 Photos & High Res Pictures - Getty Images

Fiona hanson pa hi-res stock photography and images - Page 21 - Alamy

Fiona hanson pa hi-res stock photography and images - Page 21 - Alamy

33 Photos & High Res Pictures - Getty Images

33 Photos & High Res Pictures - Getty Images

33 Photos & High Res Pictures - Getty Images

Franklin hat hi-res stock photography and images - Page 2 - Alamy