Keshia Knight Pulliam is paying tribute to her late Cosby Show costar, Malcolm-Jamal Warner . The actress, who was only six years old when she first starred as Rudy Huxtable on the sit-com, remembered her “big brother” in a poignant Instagram post a week after he tragically drowned at 54.

The Cosby Show alumna Keisha Knight Pulliam has paid a heartfelt tribute to her former The Cosby Show co-star Malcolm-Jamal Warner. In an Instagram post Sunday, Knight Pulliam wrote “A week ago I lost my big brother,

Cosby agreed and was deposed by Constand’s lawyers over four days in 2005 and 2006 (resulting in more than 1,000 pages of testimony). The lawsuit was eventually settled out of court for a then-undisclosed amount, Cosby’s deposition was sealed and both parties signed non-disclosure agreements, according to The New York Times.

Geoffrey Owens took a step back from the limelight after his starring turn on The Cosby Show. Owens joined The Cosby Show in 1985, playing Sondra Huxtable’s then-boyfriend, Elvin Tibideaux. Sondra (Sabrina Le Beauf) and Elvin eventually tied the knot onscreen,

PHILADELPHIA — When audiences met Theo Huxtable, playing a high school freshman in 1984’s pilot episode of "The Cosby Show," his voice was squeaky, his room was a mess, and he was pleading with his dad,