Leonardo DiCaprio has released a statement marking Stuart's career, speaking of his "honour" at working alongside the veteran actress.
He says, "Gloria Stuart was a force both on and off screen. An amazingly sweet person, a fantastic actress, and someone who always fought for what she believed in.
"She was one of the last great actresses from the Golden era of Hollywood. I was honoured to have worked alongside her. She will be missed."
Kate Winslet has already released her own statement, speaking of her sadness over the death of a "remarkable woman".