Hilarie Ros Burton is an American actress and producer. A former host of MTV's Total Request Live, she portrayed Peyton Sawyer on The WB/CW drama One Tree Hill for six seasons (2003–09). Burton gained wider recognition with leading roles in the films Our Very Own, Solstice, and The List. She starred as Sara Ellis on the USA crime drama White Collar (2010–13); and, in 2013, she had a recurring role as Dr. Lauren Boswell on the ABC medical drama Grey's Anatomy. In 2014, she appeared in the short-lived ABC drama series Forever as Molly Dawes, and a recurring role in the short-lived CBS sci-fi drama series Extant as Anna Schaefer in 2015. From 2016 until 2017, Burton recurred as DEA Agent Karen Palmer on the Fox television series Lethal Weapon.