Keshia Knight Pulliam has made a promise to her late television brother, Malcolm-Jamal Warner. Knight Pulliam, who as a child star played Rudy Huxtable on “The Cosby Show,” posted a tribute to Warner on social media over the weekend.

It's been a week since Malcolm-Jamal Warner tragically died from drowning while swimming in Costa Rica, but the tributes for the late actor continue to roll in. His "The Cosby Show" co-star Keshia Knight Pulliam honored her former onscreen sibling with a pair of social media posts on Sunday.