A few celebs and politicians were on hand at the Capitol to watch Joe Biden be sworn in as the 46th president.
The 22-year-old wore jewelry gifted to her by Oprah Winfrey.
Biden gave a moving speech on Inauguration Day on Wednesday.
Harris is also the country's first Black and Asian American VP.
America has a 46th president!
Other performers included Lady Gaga and Garth Brooks.
The singer previously performed the song at the 2016 Super Bowl.
Lady Gaga, Jennifer Lopez, Justin Timberlake, Tom Hanks, Demi Lovato, Garth Brooks and more will be part of the festivities on Jan. 20.
Michelle Obama also posted a moving message to the incoming president.
Joe Biden celebrates his historic inauguration on Wednesday.
The mother of two refuses to let the negative comments get her down ahead of the inauguration.
Once Joe Biden is sworn in, Trump will no longer have access to Air Force One.
Lady Gaga and Jennifer Lopez will be performing at Joe Biden's swearing-in ceremony.
ET explores Kamala Harris' love story with her husband, Doug.
