Lady Gaga in Harlequin Live: One Night Only

Lady Gaga in Harlequin Live: One Night Only is a concert film by American singer Lady Gaga, centered on the live debut of her album Harlequin (2024). Co-directed and executively produced by Gaga and Michael Polansky, the film was recorded on September 30, 2024 during an intimate and exclusive presentation for fans at The Belasco theater in Los Angeles. He debuted at the Grammy Museum on December 18, 2025 and online, through Gaga's official YouTube channel, on December 24, 2025. The performance developed in an intimate scenic environment, with an apartment-like setting inspired by the art of the Harlequin album.