Former Pier 1 pitchwoman Kirstie Alley is in final negotiations to play Ricki Lake's mother in an untitled CBS comedy pilot, according to The Hollywood Reporter. The potential series centers on a young widow raising her two kids with the help of her mom. Fellow Cheers alum Shelley Long, meanwhile, has been tapped to replace Beverly D'Angelo in an untitled NBC sitcom pilot about the relationship between an adult son and his newly divorced dad. Long will play the mother.