Mike Pence watched his replacement, J.D. Vance, take the oath of office at the U.S. Capitol on Monday, Jan. 20, eight years after standing in the same position. Karen Pence skipped the service

"This is a day when every American does well to celebrate our democracy and the peaceful transfer of power," Pence wrote.

As Donald Trump prepares to be sworn in for his second term, a bevy of political leaders, tech CEOs, celebrities and others are in attendance in the U.S. Capitol.