Barack Obama said his wife Michelle made him "a better man and better President" at the Commander in Chief's Inauguration Ball. Thousands of people gathered in Washington to see Obama publicly sworn in as US president for his second term.
Beyonce "lip-synched" the national anthem at President Obama's inauguration because she did not have time to rehearse with the band.
A day of grand political theatre lies ahead, but President Obama knows his history and will be steeling himself for a turbulent second term.
Presidential inaugurations are normally highly scripted events, but things don't always go according to plan.