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.

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,

Country superstar Carrie Underwood performed “America the Beautiful” at the inauguration of President Donald Trump on Monday, but not the way she expected she’d sing it. Underwood had to improvise and sing acapella at the last moment when there was a technical problem with the band or music that was supposed to accompany her performance.