Prince William is reportedly ready for an explosive showdown with King Charles over Sarah Ferguson’s alleged demand for a royal payday.

The scandal-plagued former Duchess of York, 66, has been quietly circling the monarchy for long-term financial security while tempting TV producers and publishers reportedly dangle massive sums for her royal secrets.

Now, palace insiders claim her move has triggered a bitter father-son clash behind closed doors — with Charles said to be open to compromise, while William wants the royal checkbook slammed shut.

The drama comes after Ferguson spent months out of the spotlight following renewed scrutiny over her ties to ex-husband Prince Andrew and their connection to Jeffrey Epstein.

But now, sources claim Fergie is back in the danger zone — and the palace is terrified of what she could say if she decides to cash in.

According to insiders, Ferguson has allegedly suggested she could walk away from bombshell TV specials and memoir deals if the monarchy gives her a lifetime financial arrangement.

In plain English: keep her comfortable, and she keeps quiet.

That possibility has set off alarm bells inside royal circles.

Ferguson spent decades inside the royal machine. She was married to Andrew. She remained close to the family after their divorce. She saw the private side of palace life most outsiders could only dream of knowing.

And that makes her a serious threat if she ever decides to tell all.

One insider said, “There is a recognition that Sarah’s experiences make her a uniquely informed figure. Few people have spent as much time around senior royals over such a long period, so naturally there is interest in what she might choose to say publicly.”

Some palace figures reportedly believe the safest move is to keep Ferguson close, calm and financially satisfied.

They fear another royal tell-all could drag the monarchy back into scandal just as Charles tries to steady the crown.

One source said, “Some believe maintaining a constructive relationship with her is the most sensible course because it reduces the likelihood of unnecessary conflict.”

But William is said to be having none of it.

The Prince of Wales, 43, reportedly sees any payout to Ferguson as a dangerous mistake — and possibly a humiliating attempt to buy silence.

A royal insider claimed William believes the monarchy cannot keep rewarding people who walk away from official duties but still expect royal perks.

To him, Ferguson is not a working royal. She is not serving the crown. And she should not be treated like someone who still has a seat at the palace table.

The source said, “William sees the matter very differently. He feels any arrangement that appears to reward silence would send the wrong message and undermine efforts to modernize the institution.”

Even more explosive, insiders claim William is ready to “go to war” with his own father over the issue.

He reportedly believes giving Ferguson a single penny could backfire in spectacular fashion.

A source claimed William sees the alleged arrangement as “a bribe to buy her silence” — and fears Ferguson could take the money now, then still “go rogue” later.

That fear has only deepened because Ferguson has never been seen as fully predictable inside palace circles.

Over the years, she has bounced between royal loyalty, public embarrassment, money trouble and scandal. Now, her name is once again wrapped in controversy because of her association with Andrew and the lingering shadow of Epstein.

For Charles, the problem is reportedly more complicated.

The king, 77, is said to believe stability sometimes requires compromise. He does not want another public war with a former royal insider. He also does not want Ferguson pushed into the arms of media executives desperate for palace dirt.

One insider said, “Charles believes stability is best achieved through compromise. His view is that keeping relations cordial can prevent bigger problems from emerging later.”

But William’s camp reportedly believes that kind of thinking is exactly what has hurt the monarchy before.

The future king is said to want a colder, cleaner and tougher royal operation — one where former insiders do not get lifelong benefits simply because they know too much.

Another source said, “The disagreement is not really about Sarah personally. It is about what precedent should be set and how the royal family should balance loyalty, reputation, and accountability in the years ahead.”

Behind the palace gates, the alleged battle has become a test of who really controls the monarchy’s future.

Charles still wears the crown.

But William is already thinking like the king he will one day become.

And on Ferguson, insiders claim he has made his position brutally clear: no special deal, no royal pension, no hush-money arrangement.

One insider said Ferguson has quietly explored whether ongoing financial support might be available if she steps away from major media opportunities.

“Some regard it as a pragmatic solution to a difficult issue,” the source said. “Others see it as unacceptable.”

The source added, “That difference in thinking between Charles and William is what lies behind the growing disagreement between father and son.”

For now, Ferguson remains a royal wild card with decades of palace history in her back pocket.

And William, according to insiders, is determined not to let the monarchy be held hostage by it.