On Monday night's episode of "American Idol," judge Carrie Underwood got emotional after contestants performed a Christian worship song, opening up to contestants.

Carrie Underwood ... which was for Underwood to sing alongside the Armed Forces Chorus and the United States Naval Academy Glee Club. In the wake of the inauguration performance announcement ...

During Monday's episode of "American Idol," Carrie Underwood shared a heartfelt testimony after contestants went head-to-head during a performance of Brandon Lake's "Gratitude." ...

Carrie Underwood ... asked to sing at the inauguration and to be a small part of this historic event," Underwood, who was joined by the Armed Forces Choir and the United States Naval Academy ...