I’m sure Michael Douglas is one rich bastard, but between his ex-wife and junkie son, dude is about to go broke! Oh, and that chick in the pic is his ex-wife.

Maybe greed isn’t so good after all.

Michael Douglas is fighting tooth-and-nail to keep his ex-wife’s hands off of his “Wall Street 2″ millions.

Diandra Douglas quietly filed suit against her ex earlier this month, claiming she’s entitled to 50 percent of the up-front money and royalties from his upcoming film, “Wall Street: Money Never Sleeps,” The Post has learned.

Michael Douglas, 65, maintains that the sequel money is his — and that his 52-year-old ex has gotten enough of his cash.

The Douglases’ 2000 divorce case included sordid allegations that Michael was a sex addict who routinely cheated on his wife, and ended with Diandra getting a reported $45 million.

And earlier this month, Michael took a jab at Diandra as they sought leniency for their drug-dealing son, Cameron. In a letter to the judge, he coldly described his ex as “a young mother without any parenting skills handed down from her own parents.”

Michael is not happy to be back in court with her again.

“He doesn’t want her to be an albatross around his neck forever,” his lawyer, Marilyn Chinitz, told the judge presiding over their big-bucks battle last week.

Diandra’s side said her divorce deal provides that she gets half of any money Michael gets from any movies he did — including residuals, merchandising and ancillary rights — during their two decades as husband and wife.

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