Lady Gaga is engaged and she’s not afraid to show it.

The singer/actress pulled out all the stops on Wednesday for her first red carpet appearance with her new fiancé, Michael Polansky, at the Venice Film Festival.

Gaga, 38, showed off her massive diamond engagement ring at the premiere of her latest film, “Joker: Folie à Deux.”

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Lady Gaga and her fiancé, Michael Polansky, made their red carpet debut at the Venice Film Festival on Wednesday. (Andreas Rentz)

Gaga, whose full name is Stefani Joanne Angelina Germanotta, walked the red carpet at the Lido di Venezia in a black Christian Dior Haute Couture gown with a plunging neckline.

Her sleeveless dress was fitted and draped into a flowing black skirt. She wore an ornate Phillip Treacy headdress over her platinum blonde hair, which was pulled back into a chic and sleek bun.

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The Grammy Award winner added a stunning Tiffany & Co. diamond pendant to her outfit, with earrings and a bracelet to complement her massive engagement ring.

The Grammy Award winner wore a stunning black Christian Dior Haute Couture ball gown. (Andreas Rentz)

Lady Gaga wore an ornate Philip Treacy hat on the red carpet. (Warner Bros.)

Gaga was joined on the red carpet by Polansky, who wore a stylish black tuxedo.

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Earlier this week, the ultra-private couple took a romantic boat ride through the city, with Gaga showing off her stunning diamond ring.

Gaga confirmed she was engaged to Polansky during the 2024 Olympics in Paris, when she introduced the businessman to French Prime Minister Gabriel Attal as “my fiancé”.

The “A Star is Born” actress showed off her custom-made Christian Dior gown at the “Joker: Folie À Deux” premiere. (Warner Bros.)

Lady Gaga made a grand entrance at the Venice Film Festival at the premiere of “Joker: Folie À Deux.” (Warner Bros.)

The couple first started dating in 2020, following a heartbreak-filled Super Bowl weekend in Miami.

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She co-stars with Joaquin Phoenix in Todd Phillips’ musical sequel about Phoenix’s character Arthur Flex, playing his romantic partner Harley Quinn.

Lady Gaga left the Hotel Cipriani with Michael Polansky on Monday. (Franco Origlia)

“I’ve never done anything like this film before, so it’s going to be completely new and a lot of fun,” she told Deadline earlier this year.

The long-awaited sequel to Phillips’ Academy Award-winning 2019 “Joker” is set to hit theaters October 4.

“‘Joker: Folie À Deux’ finds Arthur Fleck institutionalized in Arkham as he awaits trial for his crimes as the Joker,” according to the film’s synopsis. “While grappling with his dual identities, Arthur not only stumbles upon true love, but also finds the music that’s always been inside him.”

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