How celebrities are protesting the inauguration of President Trump

The new US presidency of Donald Trump, who was inaugurated on Friday, is sure to divide Americans, coming as it does after a contentious election. But in Hollywood, it's putting many stars on the defensive.

From Michael Moore and Alec Baldwin to Katy Perry and Shia LaBeouf, stars on social media and the real world showed their disappointment in the inauguration of Trump. While others kept silent and some, of course, like the artists 3 Doors Down and Toby Keith, even performed for the inaugural events.

Here's how major stars in Hollywood reacted to the inauguration of President Trump: