"He worked tirelessly to right the wrongs of his past and beyond," Remini said of her friend and colleague, who once served as a high-ranking Scientologist.

Leah Remini is remembering her Scientology and the Aftermath co-host Mike Rinder with an emotional tribute. Rinder died Jan. 5 at the age of 69.

Leah Remini is mourning the loss of her beloved friend and colleague. Following the death of Mike Rinder on Sunday at age 69, the actress, 54, paid homage to the late star on social media.