A statement from Sharpton's representative Tuesday said the funeral will include performances by celebrities, but those names were not announced.
James died last Friday at age 73 after battling leukemia and other ailments, including dementia. She was most famous for her classic "At Last," but over her decades-long career, she became revered for her passionate singing voice.
The public viewing will be held in Inglewood and the funeral will be held in Gardena, both in the Los Angeles area.
The family is asking that any donations be sent to the Philadelphia-based Rhythm & Blues Foundation.
