Hilarie Ross 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 . 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 ; 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. In 2016, Burton was cast in a recurring role as DEA Agent Karen Palmer on the Fox action dramedy series Lethal Weapon.