It is but a concept that is well-known in the creative and glamour world. After all, who can forget what Uma Thurman is to maverick filmmaker Quentin Tarantino? Indeed, while every filmmaker needn't have a muse, many have grown partial to certain names. Ram Gopal Varma-Urmila Matondkar, Vikram Bhatt-Sushmita Sen, we take a look at Bollywood's famous director-actress link-ups in the past