<Tr> <Th> Budget </Th> <Td> $40 million </Td> </Tr> <Tr> <Th> Box office </Th> <Td> $571.1 million </Td> </Tr> <P> Fifty Shades of Grey is a 2015 American erotic romantic drama film directed by Sam Taylor - Johnson, with a screenplay by Kelly Marcel . The film is based on the 2011 novel of the same name by British author E.L. James and stars Dakota Johnson as Anastasia Steele, a college graduate who begins a sadomasochistic relationship with young business magnate Christian Grey, played by Jamie Dornan . </P> <P> The film premiered at the 65th Berlin International Film Festival on February 11, 2015 and was released on February 13, 2015, by Universal Pictures and Focus Features . Despite receiving generally negative reviews, it was an immediate box office success, breaking numerous box office records and earning over $571 million worldwide . </P>

Who wrote the screenplay for 50 shades of grey