Demi Moore poses with her daughters at the premiere of “The Substance” in LA: Photos

Demi Moore and Bruce Willis' three daughters – Rumer, Scout and Tallulah Willis – supported their mother's latest film.

Moore, 61, Rumer, 36, Scout, 33, and Tallulah, 30, attended the premiere of Moore's latest film in Los Angeles. The substanceon Monday, September 16th.

The Spirit The star wore a strapless red Oscar de la Renta dress with a mosaic pattern of bright black, maroon and burgundy tiles. She accessorized her outfit with three diamond bracelets, a pair of diamond earrings and a couple of diamond rings.

As for her glamour, Feud: Capote vs. The Swans The star wore her brunette hair in a beach wave hairstyle. Her eyeshadow included hints of red and pink. She rounded off the look with a nude lip gloss and a nude pink blusher.

Rumer and Tallulah opted for black ensembles. Tallulah appeared in a strapless little black dress and black pointed-toe pumps.

Rumer wore the opposite look – a long, off-the-shoulder sheath dress that she paired with a diamond tennis chain, two diamond rings and diamond hoop earrings. The 90210 Alum wore her blonde hair straight and blow-dried.

Scout opted for a completely different look, wearing a mid-brown georgette dress. Her brown ensemble included a cowl neckline with draping that created a ruffle effect above her waist.

Moore's new film premiered at the Cannes Film Festival in May and won the award for Best Screenplay. Moore plays actress Elizabeth Sparkle, who is fired from the television network she has long worked for in favor of younger talent. When Elizabeth discovers an illegal drug called “The Substance,” she begins sharing her life with a younger version of herself (Margaret Qualley) and ruthlessly tries to regain her youth and fame.

At the 2024 Toronto International Film Festival, Moore told PEOPLE that her three daughters had not yet seen her body horror satire.

“I thought about preparing it for them, but then I decided to wait,” Moore said. “They can see it with the big audience at the premiere – that would be more exciting and entertaining. I mean, they've seen the trailers, but they're super excited.”

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The substance will be in cinemas on September 20th.