Watch live: President Donald Trump's full Inauguration Day proceedings

Donald Trump sworn in to become America's 45th president

Donald J. Trump, the outspoken businessman and former reality TV star, at noon became the 45th president of the United States.

Trump was sworn in by Supreme Court Chief Justice John Roberts and is delivering his inaugural address. The day also features the swearing in for Vice President-elect Mike Pence, a procession for outgoing President Barack Obama, an inaugural parade and several inaugural balls.

Read more about what to expect from Trump's presidency here:
John Paulson says he increased long exposure to stocks after Trump's win
Protesters smash window at McDonald's, Bank of America, other businesses ahead of presidential swearing in DC
Warren Buffett says the US will do fine under Trump, because we've got the 'secret sauce'
George Soros calls Trump a 'would-be dictator' who 'is going to fail'
Inside Trump's holdings: A web of potential conflicts

Donald Trump promises 'America First' policies in inauguration speech