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

The 'Wicked' star liked a post about Underwood's performance on Monday, Jan. 20Ariana 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,

Besides Carrie, opera singer Christopher Macchio performed “O America,” and the national anthem, during the inauguration. Country singer Lee Greenwood also performed “God Bless the U.S.A,” prior to Trump taking his oath of office.