Kate Middleton's net worth is estimated to be around £10m, and her parents are self-made millionaires thanks to their company "Party Pieces".

As a working royal, Kate and William share their income, and the royal family doesn't have prenups.

William and Harry inherited a trust fund established by the Queen Mother, with Harry receiving the larger portion.

On his 25th birthday, William inherited $10m from his late mother's estate.

William acquired his father's title of Duke of Cornwall and the Duchy of Cornwall, valued over a billion dollars, after the Queen's death.

The Duchy of Cornwall provides William with a yearly income of more than $24m.

William's net worth is estimated at around $1.34 billion.

Kate has additional net worth from her royal titles.

Kate and William's combined net worth is estimated to be over $1.35 billion.