Barron Trump was seen offering a handshake to Joe Biden and Kamala Harris moments after his father Donald Trump was sworn in as the 47th president of the United States

In keeping with tradition, Vice President Kamala Harris attended President-elect Donald Trump’s inauguration on Monday following her defeat in November’s election. Harris chose a tailored, double-breasted black coat while supporting an orderly transfer of power next to husband Douglas Emhoff.

A photo shared by Vice President Kamala Harris from Jimmy Carter's funeral has gone viral due to the exclusion of President-elect Donald Trump.

Pictures shared on social media by the vice president and by the Carter Center prominently showed other past presidents in attendance.

From a wide-brimmed hat and a blush pink getup to Democratic blue and bipartisan purple, here are the most memorable looks seen on Inauguration Day.

Donald Trump was sworn in as the 47th president of the United States, with a number of hidden moments occurring before and during the inauguration

Usha Vance made a pink statement at Donald Trump’s second inauguration ceremony on Monday in Washington, D.C., where her husband, JD Vance, was sworn in as the Vice President of the United States. She wore a tailored Oscar de la Renta ensemble for the occasion.

George W. Bush gave fellow former president Barack Obama a friendly belly tap at the Jan. 9 funeral of Jimmy Carter, and the internet was obsessed with the viral moment. Experts reveal their takeaways from the viral moment when Sen. Deb Fischer's husband, Bruce, appeared to deny the vice president's handshake.

About 20,000 Trump supporters have gathered at Capital One Arena in Washington Monday afternoon, where Trump and Vice President JD Vance are expected to address the crowd later in the day. Trump is also expected to sign several executive actions at the area during his on-stage appearance.

Inauguration Day festivities brought plenty of high-profile style on everyone from incoming political figures to inauguration performers. "Good Morning America" is taking a closer look at the standout looks of the day from Ivanka Trump's sleek, deep green ensemble to Usha Vance's soft pink coat with a matching scarf.

Body language expert Judi James weighed in on the moments everyone couldn’t stop talking about, decoding the cues from Trump’s “alpha mode” entrance to Jill Biden ’s subtle snubs. When Donald Trump arrived at St John’s Church in Washington, DC, James described him as the embodiment of dominance.