Oh. What. Fun.

Oh. What. Fun. is a 2025 American Christmas comedy film directed by Michael Showalter, written by Chandler Baker and Showalter, and starring Michelle Pfeiffer, Felicity Jones, Chloë Grace Moretz, Denis Leary, Dominic Sessa, with Jason Schwartzman, Eva Longoria, and Joan Chen. The plot tells the story of the family matriarch Claire going through the obstacles of planning the perfect Christmas with her husband, her three kids, and her grandkids while contending with her neighbor from across the street with comical results. The film was first released on December 3, 2025, on Amazon Prime Video. The film received negative reviews from critics.