Cardi B is sounding off on President Trump Donald John TrumpHR McMaster says president's policy to withdraw troops from Afghanistan is 'unwise' Cast of 'Parks and Rec' reunite for virtual town hall to address Wisconsin voters Biden says Trump should step down over coronavirus response MORE's border wall, saying he "promised these motherf---ers something that you know you couldn't do."

The "I Like It" rapper took to Instagram Live this week to blast Trump's request for Congress to dedicate money to fund for a barrier separating the United States and Mexico.

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"You promised these f---ing racist rednecks that you was gonna build the wall, but you know that was impossible," Cardi B, who was born Belcalis Almanzar, told her fans. "But they voted for you and you promised them this shit so now you have to do it," the entertainer said.

Trump's border wall proposal, a key campaign promise, is at the center of the 26-day partial government shutdown.

"Even if motherf---ers build the wall, that's still not going to f---ing prevent people coming into this country," Cardi B said.

"Trump is like a clout chaser," the New York City-born performer continued. "He's like one of these new rap artists — they follow, they do the most for clout. And Trump wants that."

"Some people can have money, all the power in the world, but they really want that fame," the 26-year-old music star said to the camera. "His legacy, he wants to go down as that bad person."

"He loves to interrupt the peace," Cardi B added of the commander in chief.

"Trump wants to be cool with basketball teams, football teams and black people. He want to be cool with them. He wants validation from what's popping right now," she said.

It's not the first time that the chart topper has weighed in on politics or slammed Trump. Last year, Cardi B dubbed Trump a "madman," and expressed surprise that he hadn't been impeached yet.