Emily Ratajkowski is a person.
Emily O'Hara Ratajkowski ( [ ˌrɑːtaɪˈkɒfski ] born June 7 , 1991 ) is an American actress and model . 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 . Her feature film debut was as the mistress of Ben Affleck 's character in the 2014 film Gone Girl . Her claim to being a feminist has been both supported and disputed . Feminism is a range of political movements , ideologies , and social movements that share a common goal : to define , establish , and achieve political , economic , personal , and social rights for women .