Billie Eilish has slammed her fellow celebrities for failing to speak up about ICE amid another fatal shooting in Minneapolis.A day after reports broke out that 37-year-old Alex Pretti was shot by ICE agents, the Birds of a Feather singer issued a string of mocking messages on her social media accounts against her fellow celebrities. Among these, Billie Eilish shared a selfie with the caption,"hey my fellow celebrities u gonna speak up? or" In another, Billie Eilish wrote, “ICE’s actions are unconscionable, but we are not powerless. Our actions matter. I stand with Minnesota.”The Grammy winner, 24, also shared videos of her brother, Finneas, slamming ICE on his own accounts, seemingly to echo his rhetoric.Billie Eilish, Finneas, Olivia Rodrigo, and more slam ICE: Read moreIn his video on social media, Finneas refuted claims that Alex Pretti was gunned down after he allegedly pulled a gun on ICE agents. He cited eyewitness footage from Saturday's events circulating via several outlets, one of which includes the Washington Post.“Every argument I’ve seen for why Alex Pretti’s death was justified yesterday is like, ‘Well, he had a gun.’ Shut the fuck up! You’ve spent 30 years straight telling us that children have to die so that we’re allowed to legally carry weapons everywhere in the United States,” FINNEAS contended. "This guy was being beaten to a pulp on the ground. He didn't draw his weapon," Finneas insisted.Alex Pretti was gunned down at a protest pertaining to the demise of Renee Good, a U.S. citizen who was also fatally shot by an ICE agent earlier this month. The Department of Homeland Security has since acknowledged both incidents, claiming the agents were acting out of self-defense.As of this writing, several celebrities have voiced frustrations with ICE following the incident in Minneapolis, including Jennifer Aniston, Glenn Close, Natalie Portman, and more.Billie Eilish and her brother were also joined by Olivia Rodrigo, who took to Instagram Stories to call on fans to push for change:"ICEs actions are unconsionable but we are not powerless. our actions matter," she wrote. "I stand with Minnesota."Rodrigo also reshared a post that dubbed ICE a "murderous federal agency" that was "terrorizing an American city.""If you support this you're on the wrongest side of history you could possibly be on," the post, written by author Ben Sheehan, reads.Stay tuned to SoapCentral for more.