More stars of "The Cosby Show" are reacting to the death of Malcolm-Jamal Warner .

Warner, who as teenage son Theo Huxtable on "The Cosby Show" was central to a cultural phenomenon that helped define the 1980s, died last week at the age of 54 in an accidental drowning in Costa Rica.

RELATED: Malcolm-Jamal Warner, star of 'The Cosby Show,' dies at 54

What they're saying:

"A week ago I lost my big brother but I gained an angel… I love you… I miss you… We got our girls," Keshia Knight-Pulliam posted on Instagram Monday.

Raven-Symoné, who joined the hit sitcom at just three years old during its final three seasons, shared a heartfelt message on Instagram .

"Words cannot describe the pain, sadness, and surprise that I feel with the recent loss of MJW. He was a big brother. He was

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