Hollywood, CA – Last night’s premiere of “Family Affair” took a decidedly unexpected turn when veteran actor Gene Wilder, playing the role of eccentric uncle Percy, spontaneously launched into a full-blown, albeit chaotic, musical performance during the celebratory after-party. The event, initially intended as a low-key gathering following the film’s screening, quickly devolved into a scene of bewildered amusement and minor property damage.

Witnesses report that Wilder, fueled by what appeared to be a potent combination of champagne and nostalgia, began to belt out a surprisingly robust rendition of “Singin’ in the Rain.” While initially met with polite applause, the performance rapidly escalated as Wilder, seemingly lost in the music, commandeered a nearby piano and began improvising lyrics about family, love, and the undeniable allure of a good cup of cocoa.

“It was…remarkable,” commented local catering manager, Beatrice Finch, who was overseeing the dessert table when the impromptu performance began. “One minute he was politely accepting a congratulatory hug, the next he was channeling his inner Gene Kelly. I’m not sure I’ve ever seen anything quite like it.”

The performance wasn’t without its consequences. A strategically placed floral arrangement was knocked over, scattering petals across the floor, and a vintage record player was inadvertently sent tumbling to the ground. Security personnel, initially tasked with maintaining order, were left scrambling to contain the situation.

“Honestly, I was just trying to keep the champagne flowing,” admitted Officer David Miller, a security guard stationed at the event. “Then Mr. Wilder just… started singing. It was surreal. And the piano? Well, let’s just say it hasn’t been the same since.”

Following the performance, Wilder was reportedly ushered away by his daughter, Katie Wilder, who attempted to steer him towards a quiet corner. “Dad, please,” she pleaded, according to multiple sources. “You’re going to give the producers a heart attack!”

The studio, ‘Evergreen Pictures’, has yet to release an official statement regarding the incident, but sources indicate they are currently reviewing security protocols for future events. The incident has undoubtedly added a memorable, if slightly messy, chapter to the already unconventional production of “Family Affair.”