if a person wants to end a marriage, they can file for divorce. an uncontested divorce means that the spouses agree to not only getting a divorce, but to all the issues involved in the divorce. there is no way to know exactly how long it will take to get a divorce. if both spouses can agree on how to settle issues in the divorce case, the process will be shorter. a divorce is uncontested if both spouses agree on all the issues. if one spouse files for divorce, and the other does not reply by filing an appearance and answer, it will be an uncontested divorce. to get a divorce, one spouse must have lived in illinois for at least 90 days. the spouses do not have to prove that they can no longer get along. the divorce judgment will cover the issues below. a person in a divorce can also petition for custody of a family pet.