Socialite Casey Johnson will be laid to rest on Sunday (10Jan10) in New Jersey, according to online reports.
The Johnson & Johnson heiress' dead body was found at her home in Los Angeles on Monday (04Jan10). Reports suggest she had been dead for days.
Officials have completed an autopsy on the 30 year old's body and determined there were no signs of trauma, but the cause of death has been deferred, pending toxicology tests.
The heiress will be buried on Sunday at a ceremony for family and close friends. A memorial in her honour is reportedly being planned for Monday (11Jan10).
Fellow socialites Nicky and Paris Hilton are among Johnson's longtime friends expected to attend Sunday's service. It is not known if her fiancee, reality TV star Tila Tequila, will be among the mourners.