Best-selling author Stephen King (shown above, far left) is pressuring Maine Republican Sen. Susan Collins (far right) over her support for President Donald Trump’s pick for the Supreme Court, Judge Brett M. Kavanaugh.

Leftist celebrities have been going after Kavanaugh in a major way in recent days.

King lives in Maine and Florida, and he took to Twitter over the weekend to warn Collins that she would lose re-election if she chose to support Kavanaugh for the high court in light of the latest revelations about an accuser who has come forward after some 35 years.

“If Susan Collins votes to confirm Kavanaugh, and if she runs for re-election — two bigs ifs — she will be defeated,” the “It” author tweeted on Sunday.

He added, “It would be unwise for anyone to mistake how angry most Americans are at the way this [the Kavanaugh nomination by President Donald Trump] is being railroaded through.”

King was originally born in Portland, Maine, and now lives part-time in Bangor, Maine.

This is the not the first time the “Rita Hayworth and the Shawshank Redemption” author has turned up the heat on Collins for her support of the current administration’s agenda.

In January of last year, King helped pressure Collins into voting “no” on current Secretary of Education Betsy DeVos.

“Please ask Susan Collins, a sane Republican senator, to vote against the totally unqualified Betsy DeVos,” King, 70, wrote at the time.

He later thanked her for her “no” vote on DeVos.

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“Thanks to Susan Collins for saying ‘no’ on Betsy DeVos. Notice that it’s possible to be a good Republican and still say no to Donald Trump,” King announced.

The superstar writer has become increasingly activist on his social media channels in recent years.

His political tweets heavily outweigh his commentary about anything else. He’s done everything from celebrating Canada’s health care system to chalking up a train crash involving Republican lawmakers to “karma.”

“A trainload of Republicans on their way to a pricey retreat hit a garbage truck. My friend Russ calls that karma,” he wrote earlier this year about a train crash involving a truck and train — which left a young man dead.

Despite King’s words, Republican lawmakers aboard the train were reportedly quick to help after the crash took place.

This led to a rather pathetic apology from the divisive and partisan King.

“Republican politicians, who can be heartless when they vote, immediately got out to help,” said King later.

“A rather thoughtless tweet from me concerning the train-truck crash, for which I apologize (if one is necessary). It should be pointed out, too, that those Republican politicians, who can be heartless when they vote, immediately got out to help,” he said.

To see more about King and his recent words about Susan Collins and Brett Kavanaugh, check out the video below: