More stars of "The Cosby Show" are mourning the sudden death of Malcolm-Jamal Warner, who played Theo Huxtable on the iconic sitcom.

Keshia Knight Pulliam is honoring her former "The Cosby Show" co-star Malcolm-Jamal Warner after his tragic death. In a touching Instagram post on Sunday, Pulliam shared a clip of Warner performing onstage at the City Winery in Atlanta, followed by footage of two young girls, believed to be each of their daughters, walking with a horse on a farm.

A week after Malcolm-Jamal Warner’s death, Cosby Show costar Keshia Knight Pulliam paid tribute to her onscreen sibling: “I lost my brother, but I gained an angel.”