Reports claim Jackson and Al Mana “almost certainly” signed a pre-nuptial agreement before getting married.
This would lay out how their assets would be divided in the event of a divorce.
Most deals give bigger pay-outs to divorced spouses who had been married for five to ten years.
As the pair married in 2012, their marriage could line up with the crucial five-year period that would give Jackson more after the divorce.
Pop legend Janet is believed to be worth around £140 million herself due to her long music career.
But her wealth is dwarfed by that of her husband - who is thought to be worth over £800 million.
So she could be in for a windfall despite her heartbreak.
Most deals give bigger pay-outs to divorced spouses who had been married for five to ten years.
As the pair married in 2012, their marriage could line up with the crucial five-year period that would give Jackson more after the divorce.
Pop legend Janet is believed to be worth around £140 million herself due to her long music career.
But her wealth is dwarfed by that of her husband - who is thought to be worth over £800 million.
So she could be in for a windfall despite her heartbreak.
