Former Vice President Joe Biden Joe BidenFormer Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick Bloomberg rolls out M ad buy to boost Biden in Florida MORE excoriated President Trump Donald John TrumpFederal prosecutor speaks out, says Barr 'has brought shame' on Justice Dept. Former Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick MORE Friday over his “embarrassing” actions toward U.S. allies just before the president heads to France for the G-7 summit.

The White House hopeful, who has repeatedly touted the need to restore America’s reputation abroad on the campaign trail, singled Trump out for the controversy over his desire to purchase Greenland and bashed him over his recent criticism about the U.S. allies’s financial contributions to NATO and his calls for Russia to rejoin the G-7.

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“He has insulted our closest partners and denigrated one of our most capable allies, Denmark—a country that has repeatedly fought and sacrificed alongside our troops. He issued yet another attack on NATO, reiterating his belief that NATO is an American-run protection racket where our allies better pay up, or else," Biden said in a statement.

"And he advocated for Russia’s return to the G7, despite Vladimir Putin Vladimir Vladimirovich PutinWatchdog confirms State Dept. canceled award for journalist who criticized Trump Former intelligence agency director Robert Cardillo speaks out against 'erratic' Trump Kremlin: Putin calls for reset between US and Russia on cyber relations before elections MORE’s long and growing record of aggressive behavior and provocations against the United States and our allies in Europe,” Biden added.

“Trump’s actions and words are not just embarrassing—they are making the American people less safe. Every incident further isolates us on the global stage, reinforcing that his version of ‘America First’ means America alone,” the former vice president also said.

Biden’s broadside comes just before Trump is due to head to France for this weekend’s G-7 summit. Trump made international headlines at last year’s summit in Canada when he lashed out at Prime Minister Justin Trudeau Justin Pierre James TrudeauCanada says former ambassador to US violated conflict-of-interest law No new Canadian COVID-19 deaths reported for first time since mid-March Trudeau announces millions for first 'Black Entrepreneurship Program' MORE as “meek and mild” and refused to endorse the group’s joint statement.

Trump has repeatedly criticized other countries, including U.S. allies over trade and other topics.

Most recently, the president defended his decision to postpone a state visit to Denmark and accused the country’s prime minister of making a “nasty and inappropriate statement” when she rebuffed his request to discuss the purchase of Greenland, an autonomous Danish territory.

Meanwhile, Trump has attracted criticism over more positive remarks directed toward North Korean leader Kim Jong Un Kim Jong UnNorth Korean leader Kim apologizes over killing of South Korean official Pelosi knocks Trump over refusal to commit to peaceful transfer of power Satellite images indicate North Korea preparing for massive military parade MORE and Russian President Vladimir Putin.

“More than two-and-a-half years into his presidency, the pattern of Trump’s conduct and character is clear. He never misses a chance to lavish praise on dictators like Putin and Kim Jong Un, and takes every opportunity to bash our closest democratic allies,” Biden said. “Instead of leading alongside fellow democracies, he seems to be on the other team.”

Biden, the current frontrunner in the Democratic presidential primary, has cast his campaign as an effort to restore political norms both at home and abroad, often saying at fundraisers that another Trump term could lead to the termination of NATO and “fundamentally change who we are.”

“We will restore the soul of this nation,” Biden said Friday. “And we will once again lead the international community in a way that is consistent with our most cherished values, standing with—not against—the rest of the free world.”