Summarize this content to 2000 words in 6 paragraphs
President Trump entered the Commander-in-Chief ball with first lady Melania Trump to a thunderous ovation.
The two promptly began dancing.
This is the first of three inaugural balls that he will attend this evening.
Trump was delayed in attending due to events he had slated in the day running over.
Vice President JD Vance and his wife Usha also entered the ball.
