In an exclusive interview with Fox News Digital, Lee Greenwood came to Carrie Underwood's defense after some criticized the country star for agreeing to perform at the presidential inauguration on Jan.

I mean, he is the next president. Stop this negative crap. Let’s move on.”

Lee Greenwood will perform “God Bless the U.S.A.” at President-elect Donald Trump’s Make America Great Again Rally in downtown Washington on Sunday as well as the swearing-in ceremony Monday.