Former President Bill Clinton and former Secretary of State Hillary Clinton arrive ahead of Trump's second inauguration ceremony.

Michelle Obama skipped the ceremony but former Presidents Joe Biden, Barack Obama, George W. Bush, and Bill Clinton attended Trump's inauguration.

As Barack, 63, Bill, 78, and Hillary, 77, entered the U.S. Capitol rotunda in Washington, D.C., on Monday for the 78-year-old’s historic swearing-in ceremony, people at the Capitol One Arena could be heard loudly booing.

A pastor, his eyes closed, preaches his heart out for history. A former president spots an acquaintance, then grins and winks.

Bill and Hillary Clinton have arrived at Donald Trump’s inauguration. The prominent Democratic couple showed a united front as they walked into the U.S. Capitol in Washington, D.C., for the ceremony.

Trump was sworn in at the Capitol Rotunda in Washington, DC. During the ceremony, the 43rd president displayed a series of silly reactions. At one point, Bush, 78, was seen containing his laughter, raising his eyebrows and winking.

Many were quick to notice Michelle Obama's absence on Inauguration Day, but the former first lady had a message to share on social media as questions over why didn't attend swirl.

Former President Barack Obama was spotted at the inauguration of Donald Trump. See pictures of the former president here.

Hillary Clinton and Bill Clinton were seen arriving in Washington, DC, for Donald Trump's inauguration.

As President Joe Biden prepared to pass the baton to President-elect Donald Trump, he followed the tradition of leaving his successor a note.

Donald Trump will be sworn in for a second term as president Monday—with every living former president, billionaires like Elon Musk and Mark Zuckerberg, Carrie Underwood, the Village People and several foreign leaders getting invitations.