Donald Trump's second inauguration included several celebrities in attendance who weren't announced in advance.

After Trump's inaugural address concluded, country singer Carrie Underwood arrived on stage to sing the patriotic song ...

See images of the celebrities and prominent business leaders attending the inauguraton of President Donald Trump in ...

Donald Trump, who overcame impeachments, criminal indictments and a pair of assassination attempts to win another term in the ...

Former NHL player Wayne Gretzky was in attendance with his wife, Janet Jones. Trump has teased the former Edmonton Oilers, ...

WASHINGTON (AP) — Donald Trump, who overcame impeachments, criminal indictments and a pair of assassination attempts to win ...

Carrie Underwood sang America The Beautiful in an acapella performance at the second inauguration of Donald Trump, after the ...

Trump has enlisted the help of celebrity acts for the ceremony—and there will also be some famous faces in the audience.