As the stars turn out for Hollywood's biggest night of the year, political protests are expected to dominate tonight's Oscars.
Several actors are planning to speak out against Donald Trump and the U.S. president's policies - particularly on immigration.
Sky's Greg Milam is on the red carpet in Los Angeles.
He doesn't expect President Trump will be watching the ceremony though:
Already today, actor Casey Affleck has hit out at President Trump's policies during an awards acceptance speech.
He was named best actor for his role in Manchester By The Sea at the Spirit Awards in California - which celebrate independent films made on small budgets.
Mr Affleck says the US administrations policies won't last: