Country superstar Carrie Underwood performed “America the Beautiful” at the inauguration of President Donald Trump on Monday. But there was a problem.

Fans react to Carrie Underwood’s a cappella performance of "America the Beautiful" at Donald Trump’s inauguration. See their responses here.

In a gray dress with diamond jewelry, Underwood confidently worked through the song. She stood just in front of Joe Biden and Kamala Harris as she sang, and afterward, as she thanked the crowd for singing with her, Biden could be seen mouthing "Good job" to her.

The 'Wicked' star liked a post about Underwood's performance on Monday, Jan. 20 Ariana Grande has seemingly reacted to Carrie Underwood’s performance at the presidential inauguration. Underwood, 41, sang “America the Beautiful” at the inauguration of President Donald Trump on Monday,

The “American Idol” alum’s star-spangled performance unfolded after Trump was sworn in as the 47th president of the United States in the Capitol Rotunda.

Carrie Underwood performed a stirring a cappella rendition of "America the Beautiful" after the official swearing-in of President Donald Trump at his inauguration on Jan. 20. Savannah Guthrie noted during NBC News' coverage of the inauguration ceremony that Underwood spontaneously sang a cappella due to an issue with the band that was set to play with her.

An awkward few moments at Donald Trump’s inauguration turned into a powerful performance as the attendees joined Carrie Underwood to sing ‘America the Beautiful.’

Country star Carrie Underwood gave an impromptu a cappella performance of 'America the Beautiful' at Donald Trump's second inauguration on Monday after a glitch left her without backing music.

Carrie Underwood and The Village People are among the artists who performed for President Donald Trump's Inauguration Day.

The show must go on! Carrie Underwood proved why she's a country superstar during Donald Trump's presidential inauguration on Monday (Jan. 20). After an awkward two-minute technical glitch, the 41-year-old American Idol alum took control of the situation,

Carrie Underwood, Christopher Macchio and Lee Greenwood honored President Trump in song at his inauguration. Here are the highlights.