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.

Actor and director Malcolm-Jamal Warner, best known for his role on "The Cosby Show," has died in an accidental drowning in Costa Rica, where he was vacationing with his family, officials there said. He was 54.

The late ‘Cosby Show’ star died while on a trip to Costa Rica, according to multiple outlets. Find out what happened to Warner here. Malcolm-Jamal Warner, best known for playing Theo in The Cosby Show,