(FILE PHOTO) Mary Berry is leaving the TV series The Great British Bake Off but fellow presenter Paul Hollywood is to continue as a judge on when the show moves to Channel 4. WISLEY, SURREY - SEPTEMBER 02: Royal Horticultural Society (RHS) Ambassador and cook Mary Berry laughs as she attends the opening of the RHS Flower Show at Wisley Gardens on September 2, 2014 in Wisley, England. 40,000 visitors are expected to enjoy the range of floral art and specialist nursery exhibits during the six day show which opens today. (Photo by Peter Macdiarmid/Getty Images)