Carrie Underwood performed "America the Beautiful" at the presidential inauguration of Donald Trump on Monday. The swearing in of the 47th president of the United States took place inside the U.S. Capitol Rotunda because of winter temperatures, as opposed ...

Carrie Underwood's decision to perform at Donald Trump 's inauguration ceremony has been both praised and reviled by fans and fellow celebrities.

Styled by longtime collaborator Marina Toybina, Underwood wore a sleeveless dove gray draped midi dress by Opificio Modenese for the ceremony. The “Before He Cheats” singer completed her look with ivory leather T-strap Ingiliz pumps and a Noä diamond leaf ring.

In one of the more awkward moments of the day, Donald Trump greeted his closest allies as he walked on stage to his swearing-in at the Capitol. When he reached his wife, he leaned in for a kiss, only to find her hat brim made it hard to get close enough to Melania's face. The couple settled on an air kiss instead.

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

Carrie Underwood is gearing up to perform at President-elect Donald Trump's swearing-in ceremony. Throughout her 20-year career, the "All-American Girl" crooner has mostly avoided voicing her political opinions. But the former "American Idol" winner expressed her love for the United States when she agreed to perform at the momentous occasion.

In an exclusive interview with Fox News Digital, Lee Greenwood came to Carrie Underwood's defense after some criticized the country star for agreeing to perform at the presidential inauguration on Jan.

See images of the celebrities and prominent business leaders attending the inauguraton of President Donald Trump in Washington, D.C., on Monday.

Carrie Underwood went viral for her a cappella rendition of 'America the Beautiful' at Donald Trump's inauguration on January 20.

The "American Idol" alum was afforded a global audience when she performed at President Donald Trump's swearing-in ceremony.

The president was sworn in at noon inside the Capitol Rotunda. Though inauguration typically takes place on the Capitol's West Front overlooking the Ellipse, with temperatures in the low 20s, it was moved inside. The viewing, the Inaugural Parade and a celebration were all be held inside Capital One Arena.