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

Joe Rogan has been tipped for a shock job after featuring the incoming US President Donald Trump on his podcast.

Donald Trump's second presidential inauguration has a heavy combat sports presence. Notables from the UFC, boxing and WWE have flocked to Washington ahead of Trump's inauguration Monday, which officially marks the beginning of his second term as U.

Donald Trump had a three hour chat on The Joe Rogan Experience in the days leading up to his win over Kamala Harris.

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

Prominent figures from the world of combat sports, business, and politics gathered in Washington, D.C., for President Donald Trump’s second-term inauguration and subsequent victory rally at Capital One Arena on Monday.

UFC star Conor McGregor expressed optimism for the future as Donald Trump is set to retake the White House as the 47th president of the United States.

UFC fighter mingles with American conservative influencers and European populists after jetting out to DC to witness swearing-in of 47th commander-in-chief

Conor McGregor and the Paul brothers are buddying up in the nation’s capital. The controversial MMA fighter was heading to Donald Trump’s inauguration Monday morning in Washington, D.C., carpooling with two long-rumored potential boxing opponents: Jake and Logan Paul.