Jack Antonoff was disappointed with Demi Moore’s Best Actress Oscar snub! On Sunday, March 2, at the 97th Academy Awards, celebs waited with bated breaths to hear the winner for Leading Actress. While Moore was considered to be the frontrunner, in a surprising The Substance-style twist, Mikey Madison was announced the winner.  The Ghost actress was visibly disappointed and so was Antonoff sitting behind her. The clip of their reaction has since gone viral.  The Grammy-winning musician’s eyes popped out in shock and lips rounded into an O as he turned to his wife, Margaret Qualley, who starred opposite Moore in The Substance. Netizens couldn’t help but react to Antonoff’s surprised expression.  “No but jack antonoff’s reaction to mikey winning that oscar is so funny,” one user wrote on X. “JackAntonoff’s face when Demi lost pls,” another said. Some netizens joked how the 25-year-old breakout star outwinning Moore was the plot of her movie The Substance.  Madison was crowned the best actress at the 2025 Oscars for her performance in Sean Baker’s indie movie Anora, which also …