Mark Ruffalo and Julia Louis-Dreyfus were among the stars who took part in the nationwide "No Kings" protests against President Donald Trump.

Tens of thousands of demonstrators took to the streets across Southern California on Saturday to voice their concerns over ongoing immigration raids and oppose the policies of President Trump, who they depicted as an aspiring monarch.

The organized opposition was timed for the day President Trump is hosting a rare U.S. military parade in Washington that's taking place on his 79th birthday.

Americans planned demonstrations against President Donald Trump across the U.S. on Saturday as a counterpoint to the 200,000 people expected to attend the military parade in Washington.

The largest "No Kings" protest on June 14 is expected to take place in Philadelphia as a nod to the country's history and to avoid accusations that protesters are opposing the Army parade in the nation's capital, organizers have said.

Protests against the Trump administration, which are set to continue this weekend after a week of uprising that spread from Los Angeles across the country, have energized a portion of the left-wing base that has been despondent since President Trump’s election.

California Gov. Gavin Newsom had a brief victory in his lawsuit against President Trump, but an appeals court quickly blocked a federal judge's order.