Billie Eilish and her brother Finneas have publicly endorsed Kamala Harris and Tim Walz for the upcoming presidential election, urging their fans to 'vote like your life depends on it.' Their endorsement, shared on National Voter Registration Day, emphasizes the importance of protecting reproductive rights, democracy, and the environment. The siblings encourage fans to check their voting status and consider early voting, reflecting a growing trend of celebrity endorsements for the Harris-Walz ticket, which includes support from fellow artists like Taylor Swift. Swift recently spoke out against misinformation in political endorsements following false AI-generated images of her endorsing Trump. Eilish's passionate plea against extremist agendas highlights the significant role of young celebrities in mobilizing voter turnout among their peers. As the election approaches, the influence of pop culture figures in politics is expected to increase further.