“Everybody dances fearlessly & without judgement,” the invite promised. And it was right. Welcome back to the Museum of Contemporary Art’s annual gala, which took place Saturday night for the first time since 2019 after a three-year pandemic hiatus. Artists and celebrities, museum leaders and other art world figures — including Eva Longoria, Christina Hendricks, Gia Coppola, Keanu Reeves and artists Karon Davis, Lauren Halsey, Mary Weatherford, Alexandra Grant, Henry Taylor, Mark Grotjahn and Doug Aitken — mingled at a pre-dinner cocktail party on the outdoor plaza of the museum’s Geffen Contemporary in Little Tokyo. Two partygoers lay on cushions inside Pipilotti Rist’s MOCA exhibit. (Michelle Groskopf / For The…