While there is no law prohibiting dating while going through a divorce, doing so could still affect the legal proceedings between you and your soon-to-be-former spouse in a few ways: If you date a new person, and especially if you move in with them, the court may decide you need less assistance, if any.

Is it illegal to have a girlfriend while separated?

Separation is a legal term. Spouses who live apart without court approval are not separated in the eyes of the law. Dating while you are separated but not legally separated carries great risks that your relationship will become a factor in the divorce and related family law matters.