Sen. Elizabeth Warren Elizabeth WarrenHarris joins women's voter mobilization event also featuring Pelosi, Gloria Steinem, Jane Fonda Judd Gregg: The Kamala threat — the Californiaization of America GOP set to release controversial Biden report MORE (D-Mass.) on Wednesday ripped President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE for leading the “most corrupt administration ever.”

Warren went after the Trump administration during an interview with CNN after controversial statements from White House budget chief Mick Mulvaney Mick MulvaneyMick Mulvaney to start hedge fund Fauci says positive White House task force reports don't always match what he hears on the ground Bottom line MORE.

"He's so corrupt that he was willing to just lay it all out there in front of everyone," Warren said. “He said, 'I am a government official who pays attention to those who pay me.' If that's not corruption, I don't know what the definition of corruption is."

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Mulvaney, who is also the interim director of the Consumer Financial Protection Bureau, suggested Tuesday that he gave preferential treatment to lobbyists who had donated to his campaign.

“If you were a lobbyist who never gave us money, I didn't talk to you. If you were a lobbyist who gave us money, I might talk to you,” Mulvaney said at a banker conference in Washington.

“If you came from back home and sat in my lobby, I would talk to you without exception, regardless of the financial contributions.”

Mulvaney is a former GOP congressman from South Carolina.

Warren ripped the suggestion as "pay-to-play."

"That's just another way of saying, 'this joint runs great for those who can hire armies of lobbyists and lawyers and have them make big campaign contributions, but not here for real people,’” Warren said Wednesday.

Warren, who serves on the Senate Banking Committee, has confronted Mulvaney before.

Earlier this month, she told him he was “hurting real people to score cheap political points.”