Well, not at the end, that old lady has been there in the movie, since beginning! She is Gloria Stuart. She died in 2010 at the age of 100 years. She was on real Titanic in 1912. read more
The old lady at the end of the movie is the fictional character Rose Dawson Calvert, played by Gloria Stuart. The 100-year-old Rose gives Brock Lovett information regarding the"Heart of the Ocean" as well as her version of events of the sinking of the Titanic. Not only was she at the end of the movie, she was also at the beginning. read more
At the end of Titanic, the camera pans across a group of pictures that showed Rose had lived a rich, full life (some of which was suggested to her by Jack - e.g. learning how to ride 'like a man'). It then settles on a very peaceful looking Rose in her bed. read more