Yep, "Imitation of Life". Not only the death scene, but the funeral.
How about Bette Davis in "Dark Victory".
(Santa, I have been very good this year also)
"He is your friend, your partner, your defender, your dog. You are his life, his love, his leader. He will be yours, faithful and true, to the last beat of his heart. You owe it to him to be worthy of such devotion."
-- Author Unknown