share on this final day of 2021. comedian and american icon betty white has died. just days short of her 100th birthday. cnn has not yet learned a cause of her death but her life remarkable and vibrant to the very end. cnn s stephanie elum has this remembrance. reporter: betty white s cheerful hollywood career began in her teams and by her 20s she was a fixture on television with her own daily talk show. ahead of the times, white cofounded her own production company in 1952. she worked on a variety of television and film projects before turning on a guest appearance on the mary tyler moore show as a sue ann nivens.