The tweet said: “I love you, Jilly, and I couldn’t be more grateful to have you with me on the journey ahead.”
I love you, Jilly, and I couldn’t be more grateful to have you with me on the journey ahead. https://t.co/V4GUXAKSKg
— Joe Biden (@JoeBiden) 1611157560000
The tweet also included a short video of the Bidens holding hands as they arrived for the ceremony.
Biden is set to be sworn in by Supreme Court Chief Justice John Roberts on Wednesday at around noon local time.
Some 25,000 National Guard troops have been deployed as part of enhanced security measures for the inauguration.