<P> Rambin was born in Houston, Texas, to Joseph Howard Rambin III and the former Karen Stacy Guthrie, who founded Moody Rambin Real Estate . She has three siblings, her brother, Joseph Rambin, an older half - sister, Mary Rambin, and an older half - brother, Jay Rambin . Rambin began performing in school plays and studied at the Houston School of Film and Theatre and at St. Francis Episcopal Day School where she starred in her first school play before moving to New York when she got her first major role on All My Children . While acting, she has also pursued her high school diploma through the Texas Tech University Independent School District . </P> <P> Rambin started her career at age of 13, as a series regular on ABC's All My Children (2004--08), playing the role of Lily Montgomery, the autistic daughter of Jackson Montgomery, played by Walt Willey . It was announced that Rambin had been cast in another role on All My Children, playing the street - smart but lovable older half sister of Lily Montgomery, Ava Benton, where the role only lasted for two consecutive years . Rambin was the only actress from All My Children to be nominated for the 33rd Annual Daytime Awards and 34th Annual Daytime Emmy Awards . She was nominated for Outstanding Younger Actress in a Drama Series for her roles of Lily Montgomery and Ava Benton . She later appeared on an episode of Law & Order: Special Victims Unit . </P> <P> Rambin appeared on NBC's new series, Lipstick Jungle (2008--09). Leven filmed a pilot presentation for the CW titled Austin Golden Hour, directed by Sanford Bookstaver . Leven made her feature film debut in Killer Film's independent picture, Gigantic (2008). The film starred Paul Dano . Rambin joined the cast of Terminator: The Sarah Connor Chronicles (2008--09), playing the character Riley Dawson, a school friend and love interest of John Connor . Rambin left the show after filming her last episode "Ourselves Alone". . Rambin landed a recurring role as Sloan Riley, the 18 - year - old - daughter of Dr. Mark Sloan on the medical - drama, Grey's Anatomy (2005--present). Rambin briefly returned to All My Children as Lily Montgomery on January 5, 2010 for the show's 40th Anniversary . </P> <P> Rambin was cast as the daughter of Virginia Madsen and David James Elliott on the ABC television series, Scoundrels (2010). However, the series ended its eight - episode run on August 15, 2010, due to low ratings . Rambin appeared on the Disney Channel show, Wizards of Waverly Place (2007--12), in the recurring role of Rosie, who is a Guardian Angel turned Angel of Darkness who was in love with Justin to steal the Moral Compass; Rambin made her debut on the episode "Everything Rosie for Justin" and left the show after the episode "Wizards vs. Angels". Later, Rambin was cast in the recurring role of Chloe Hall, on the long - running CW series, One Tree Hill (2003--12). Then later, Rambin was cast as Molly Sloan on the CBS crime - drama CSI: Miami (2002--12). </P>

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