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Katy Perry at the Lucas Museum Gala: White Velvet Gown With Justin Trudeau, September 2026

September 19, 2026. Los Angeles. George Lucas finally opened his museum, and Katy Perry turned the opening-night gala at the Lucas Museum of Narrative Art into a date night with Justin Trudeau. Forty-one, jet-black hair parted down the middle, and a white velvet gown cut close to every curve.

Katy Perry laughing with Justin Trudeau at the Lucas Museum of Narrative Art opening night, September 2026

The Look: White Velvet, Christian Siriano

A strapless white crushed-velvet column from Christian Siriano’s spring 2027 collection, shown at New York Fashion Week just over a week earlier. A sculptural draped neckline, a corseted bodice, ruching at the hip and a slim skirt to the floor. Silver open-toe sandals and a delicate diamond bracelet. Nothing else needed.

Next to Trudeau in a black suit and an open-collar white shirt, it was the cleanest look of the night: one color, one line, a lot of Katy.

Katy Perry and Justin Trudeau close together on the Lucas Museum opening gala carpet, September 19, 2026

Why It Mattered

It was only the couple’s second official red carpet. They made their debut in June 2026 at the Tribeca Festival premiere of her concert film The Lifetimes Tour – Live from Paris, a little under a year after they were first linked in July 2025, and they confirmed the relationship on Instagram that December. On the gala carpet they held hands, traded looks and laughed through the photos.

The guest list was huge: Kim Kardashian, Lewis Hamilton, Oprah Winfrey, Michael B. Jordan, Greta Gerwig, Laura Dern, Pharrell Williams. The museum, founded by Lucas and Mellody Hobson in Exposition Park, opened to the public on September 22.

Video: Lucas Museum Opening Gala Red Carpet

Red-carpet arrivals at the Lucas Museum of Narrative Art opening night gala, Los Angeles, September 19, 2026 (Katy Perry and Justin Trudeau are in the line-up)

None of that is a nude scene, and Katy Perry has never done one. For her sexiest official moments, start with the California Gurls cotton-candy cloud and the Teenage Dream bed and pool scenes. Everything ranked lives on the Katy Perry hub, and more of her archive sits on Katy Perry on Scandal Planet.

Katy Perry at the Lucas Museum Opening Gala: Photos

FAQ

What did Katy Perry wear to the Lucas Museum gala?

A strapless white crushed-velvet Christian Siriano gown from the spring 2027 collection, with a sculptural draped neckline, silver open-toe sandals and a diamond bracelet.

When was the Lucas Museum of Narrative Art opening gala?

Saturday, September 19, 2026, in Los Angeles. The museum opened to the public on September 22, 2026.

Who did Katy Perry go with?

Justin Trudeau, the former Canadian prime minister. It was their second official red-carpet appearance as a couple.