The 2011 Playmate of the Year, Claire Sinclair, sought a restraining order Monday against the 21-year-old son of Playboy founder Hugh Hefner after the son was arrested on suspicion of domestic violence.
The Pasadena Star-News reported Marston Hefner was released from jail Monday after posting $20,000 bail.
Officers were called Sunday night to the apartment Hefner shares with his girlfriend and he was arrested after she was found with minor injuries, Pasadena police said.