Bill Cosby has paid tribute to his late Cosby Show co-star Malcolm-Jamal Warner, who tragically drowned at age 54 in an accidental incident in Costa Rica. Speaking to CBS News, Cosby praised Warner's dedication during his 197-episode run on The Cosby Show, which aired from 1984 to 1992. 'He was never afraid to go to his room and study - he knew his lines and then he was quite comfortable, even with the growing pains of being a teenager,' Cosby said of his late co-star. Cosby opened up on the emotional discussion the two had about three months back, which would mark the final time they spoke. 'He had a concert in Minnesota with the symphony and there was something he had written. He was very proud of what he had done and what he had said - and it was it was about living in America.' Read the full story at DailyMail.com. #news #cosbyshow #billcosby #malcolmjamalwarner #costarica #EmClimaUltraLeve