Leven Alice Rambin (born May 17, 1990) is an American actress. She is best known for playing look-alike half-sisters Lily Montgomery and Ava Benton on All My Children (2004–08) and her recurring roles in Grey's Anatomy (2005–present) and Gone (2017-present), as well Terminator: The Sarah Connor Chronicles (2008–09), One Tree Hill (2003–12), Wizards of Waverly Place (2007–12), and CSI: Miami (2002–12). She appeared in the sci-fi film The Hunger Games (2012) as the District 1 tribute Glimmer, and appeared as Clarisse La Rue in the fantasy film Percy Jackson: Sea of Monsters (2013).