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Hammond was a successful fashion model in the 1960s, working for Vogue, forming a close working relationship with photographer Terence Donovan. At first happy to model fur, she later became concerned about the cruelty of the fur trade and took a stand against fur. Singer/Songwriter Donovan wrote "Celia Of The Seals" as a tribute to her attitude. She had a long relationship with the guitar master Jeff Beck around 1968~1992.
Celia Hammond Animal Trust
In 1986 she founded the Celia Hammond Animal Trust with the aim of opening a low-cost neutering clinic to control the feral animal population. The first of these clinics opened in Lewisham in 1995, and a second opened in Canning Town in 1999. The Celia Hammond Animal Trust also runs a sanctuary in Brede (Nr Hastings) for animals which need new homes. In addition to neutering animals, the clinics (and sanctuary) also help to rescue and rehome animals - now homing thousands of cats each year. 
- GMTV - Hundreds of Yorkshire Terriers have been rescued find out how you can provide a home for them
- BBC - Press Office - The Real Blow-Up
- "About Celia". Celia Hammond Animal Trust website. Retrieved September 10, 2006.
- "Transcript: Rescued dogs". BBC News. May 24, 2006. Retrieved September 10, 2006.