Chloe Linnea Ayla Greenfield (born July 7, 1995) is an American actress. Greenfield played Lily Smith, the little sister of rapper Eminem's character Jimmy/'B. Rabbit' in the 2002 film 8 Mile. She appeared on NBC's Emmy Award winning television series ER as Sarah, John Stamos's character Dr. Tony Gates's daughter, from 2005 until the 2009 series finale of the show.
Greenfield appeared in the music video for the song "Alive with the Glory of Love" by the band Say Anything.