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 ...

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, ...