Kate joined guests from the arts and culture world at the Art Fund Museum of the Year Award held at the Natural History Museum.
The animal has lain preserved in the basement of London's Natural History Museum for the last 30 years.
Dippy the Diplodocus is to be forced into retirement and moved out of the Natural History Museum's main hall.
Breathtaking images captured by some of the world's greatest nature photographers feature in a book published by the Natural History Museum.
Bedraggled lions in the Serengeti to the relationship between humans and monkeys are pictured in 2013's Wildlife Photographer of the Year.