Boyd started her modelling career in 1962, but was rejected by many photographers owing to her unconventional looks, including rather prominent front teeth; one stated, "models don't look like rabbits". She modelled in London, New York and Paris , and was photographed by David Bailey and Terence Donovan.
Here's a short clip with Pattie Boyd modeling some Mod styles at a London fashion show. Clip also shows Liz Taylor & Richard Burton in a Paris exhibition...