No, you are still divorced.
This is general information not intended as legal advice. No attorney-client relationship has been established. Geraldine Anne Brown is licensed in Michigan and practices Estate Planning. probate and Elder Law.
Not only does cohabitation not effect the finality of the divorce, but it does not create any property rights in the partner's assets regardless of the years together. For example no right to part of the partners pension or house, even if you live with them for years.