Question: The actress that rose to prominence after appearing in Robin Thicke's "Blurred Lines" video co-stars with Zac Efron in a 2015 film directed by who?
Related documents: [0]  [DOC] Emily O'Hara Ratajkowski ( ; born June 7, 1991) is an American model and actress. Born to American parents in London and raised primarily in California, she rose to prominence in 2013 after appearing in the music video for Robin Thicke's "Blurred Lines", which became the number one song of the year in several countries and attracted controversy over its purportedly sexist content. [END] 
[1]  [DOC] We Are Your Friends is a 2015 drama film directed by Max Joseph (in his directorial debut) and written by Joseph and Meaghan Oppenheimer, from a story by Richard Silverman. The film stars Zac Efron, Emily Ratajkowski and Wes Bentley, and follows a young Los Angeles DJ trying to make it in the music industry and figure out life with his friends. [END] 
Answer: 
Max Joseph
Max Joseph