Jason Aldean is sharing his support for Carrie Underwood after her performance at Donald Trump's presidential inauguration ceremony, where technical difficulties led to the American Idol winner delivering a rendition of "America the Beautiful" a cappella.

Lee Greenwood, who sang “God Bless the U.S.A.” at Monday’s inauguration, defended Underwood amid the backlash.

Jason Aldean shared his honest review of Carrie Underwood’s version of ‘America the Beautiful’ at Donald Trump’s inauguration