Los Angeles: Hugh Hefner has been sued for allegedly "conspiring" to allow Bill Cosby to commit sexual assault on young women at his Playboy mansion.

Former model Chloe Goins, 26, filed a federal civil suit at United States District Court in California's Central District against the embattled comedian last year 15), claiming she was just a teenager when Cosby allegedly forced himself upon her at a party held at Hefner's Playboy mansion in 2008.