LOS ANGELES, Nov. 17 -- Ray J has fired back at Kim Kardashian and Kris Jenner, filing an explosive cross-complaint that accuses them of breaching a secret US$6 million (RM25 million) settlement over a sex tape.

In the November 13 filing, Ray J, whose real name is William Ray Norwood Jr, denies all allegations from the Kardashians' recent defamation suit, calling it a "public relations charade" designed to punish him for "no longer playing along with their tall tale," People reported.

The legal battle reopens a nearly two-decade-long saga. In his complaint, Ray J, 44, alleges that he; Kardashian, 45; and Jenner, 70, all signed a licensing deal with Vivid Entertainment before the tape's 2007 release.

He claims Kardashian then filed a "b...