New York Rep. Elise Stefanik, President-elect Donald Trump’s pick for US ambassador to the United Nations, is now refusing to stand by her previous push for Ukraine’s NATO membership — a stance she once framed as critical to regional stability.

Stefanik serves as House Republican Conference Chair and has long been one of Trump’s most loyal allies in the House.

President-elect Donald Trump has named Rep. Elise Stefanik, R-N.Y., to be the next ambassador to the United Nations. How she's tied to Massachusetts

President-elect Donald Trump has named Republican Rep. Elise Stefanik as his pick for UN ambassador.

President-elect Donald Trump has tapped House Republican Conference chair and longtime ally Rep. Elise Stefanik, of New York, to serve as ambassador to the United Nations. Stefanik is Trump's first Cabinet pick for his second term in the White House.

When asked about the matter again by CNN after Trump tapped her for the U.N. job, Stefanik's office said the Congresswoman's views fully align with those of the president-elect, without going into details.

Donald Trump is set to select New York Representative Elise Stefanik as the US ambassador to the United Nations, according to reports. The 40-year-old GOP lawmaker is said to have accepted the president-elect’s offer after Trump made a statement to the New York Post on Sunday evening.