Gaga attended the screening to support her “A Star Is Born” costar Bradley Cooper, who directs and stars in the film coming to Netflix on Dec. 20.

Lady Gaga, Alexander McQueen suit, Carey Mulligan, Celine gown, Bradley Cooper, Louis Vuitton suit, 'Maestro' special screening, Los Angeles, Dec. 12

Bradley Cooper, Carey Mulligan and Josh Singer at the Los Angeles special screening of "Maestro" held at the Academy Museum of Motion Pictures on December 12, 2023 in Los Angeles, California.

Matt Bomer and Jonathan Bailey at the Los Angeles special screening of "Maestro" held at the Academy Museum of Motion Pictures on December 12, 2023 in Los Angeles, California.

Sarah Silverman at the Los Angeles special screening of "Maestro" held at the Academy Museum of Motion Pictures on December 12, 2023 in Los Angeles, California.

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Lady Gaga arrived at the “Maestro” special screening in Los Angeles on Tuesday wearing a black orchid-beaded-embroidered Alexander McQueen suit.

From the brand’s fall 2023 collection, Gaga accessorized her tailored outfit with the Jimmy Choo Ellipse clutch.

Lady Gaga, Alexander McQueen suit, Carey Mulligan, Celine gown, Bradley Cooper, Louis Vuitton suit, 'Maestro' special screening, Los Angeles, Dec. 12

Carey Mulligan, Bradley Cooper and Lady Gaga at the special screening of “Maestro” on Dec. 12 in Los Angeles. MARK VON HOLDEN FOR VARIETY

“In an extraordinary return to Paris, Sarah Burton proved she is the rare designer who can bring theatricality to suiting,” WWD reported on the collection in March, which was headed by the brand’s creative director Sarah Burton.

Gaga attended the screening to support Bradley Cooper, whom she previously starred alongside in the 2018 Oscar-nominated film “A Star Is Born.

” “Maestro,” which will be released on Netflix Dec. 20, is a biopic about composer Leonard Bernstein and his wife Felicia Montealegre.

Ahead, a glimpse at the other stars’ style from the screening.

Carey Mulligan 

Carey Mulligan, Celine gown, 'Maestro' special screening, Los Angeles, Dec. 12

Carey Mulligan at the special screening of “Maestro” on Dec. 12 in Los Angeles. MARK VON HOLDEN FOR VARIETY

Carey Mulligan, who stars as Felicia Montealegre in the film, arrived at the screening in a sparkling Celine gown. Details of her strapless frock, styled by Andrew Mukamal, included dramatic, voluminous sleeves.

Bradley Cooper

Bradley Cooper, Louis Vuitton suit, 'Maestro' special screening, Los Angeles, Dec. 12

Bradley Cooper at the special screening of “Maestro” on Dec. 12 in Los Angeles. MARK VON HOLDEN FOR VARIETY

Bradley Cooper went sharp in a blue Louis Vuitton suit with a matching waistcoat. “Maestro” follows the 2018 film “A Star Is Born,” which was Cooper’s directorial debut.

Maya Hawke

Maya Hawke, 'Maestro' special screening, Los Angeles, Dec. 12

Maya Hawke at the special screening of “Maestro” on Dec. 12 in Los Angeles. MARK VON HOLDEN FOR VARIETY

Maya Hawke went sculptural in a strapless chocolate minidress with a bell-shaped skirt. Hawke stars as Jamie Bernstein, the daughter of the legendary composer in the upcoming film.

Molly Sims

Molly Sims, Zuhair Murad gown, Tyler Ellis clutch, Mach & Mach heels, 'Maestro' special screening, Los Angeles, Dec. 12

Molly Sims at the special screening of “Maestro” on Dec.
12 in Los Angeles. MARK VON HOLDEN FOR VARIETY

Molly Sims brought a sparkling statement to black dressing in a Zuhair Murad gown with sheer crystal-embellished cutouts on her chest.

Collaborating with stylist Sonja Christensen, Sims accessorized her look with a Tyler Ellis clutch, along with Mach & Mach heels.