Emily O'Hara Ratajkowski (/ ˌ r æ t ə ˈ k aʊ s k i /; born June 7, 1991) is an American model and actress. She was born to American parents in London and raised in San Diego, California . She became well known in 2013 after appearing in the music video for Robin Thicke 's " Blurred Lines ", which became the number one song of.