Elon Musk has responded to Billie Eilish after she publicly criticized him for not using his wealth to address global crises. Eilish, who recently posted a series of Instagram Stories outlining what Musk could theoretically fund with his fortune, ended her posts with a scathing message that left little doubt about her target. Musk replied under a fan account's post, dismissing Eilish's intelligence with a pointed remark. The exchange has sparked widespread debate online, with Eilish's supporters praising her activism and donations, while Musk's response has fueled further controversy. As the public awaits any further comments, the clash highlights ongoing tensions over wealth, philanthropy, and celebrity influence.