In England and Wales, a financial order, once granted by the court in divorce proceedings, can only be challenged and potentially overturned under certain very narrow circumstances. An individual can seek a variation or appeal if there is a significant change in financial circumstances or if new evidence comes to light. However, the process is complex, and success depends on the specific facts of the case. It generally involves filing a formal application with the court, providing supporting evidence, and attending hearings. The court will consider factors such as undisclosed changes in income, employment status, or financial resources. While overturning a financial order is theoretically possible, in very specific circumstances, it requires legal advice and careful consideration of the individual circumstances surrounding the case.