Margot Robbie has done it again.

Last week, the actress wore a gorgeous, sheer, embellished dress to the UK premiere of her film A Big Bold Beautiful Journey, and this week she’s outdone herself once more.

The Aussie star looked stunning at the New York premiere of the film in a jaw-dropping Mugler gown worth $9,000.

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Margot Robbie at "A Big Bold Beautiful Journey" US Premiere held at AMC Lincoln Square on September 15, 2025 in New York, New York. (Photo by John Nacion/Variety via Getty Images)Margot Robbie looked stunning at the US premiere of the film in a jaw-dropping Mugler gown worth $9,000. (Variety via Getty Images)

The black and white dress, which retails for $US5650, features a corset bodice and a black cut-out overlay.

The gown is inspired by the brand’s Jeu de Paume couture spring/summer 1998 collection, but it has been reimaged for the 2025 season.

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NEW YORK, NEW YORK - SEPTEMBER 15: Margot Robbie attends "A Big Bold Beautiful Journey" New York Premiere at AMC Lincoln Square Theater on September 15, 2025 in New York City. (Photo by Noam Galai/WireImage)The plunging neckline is laid over a tight corseted chest. (WireImage)Margot Robbie at "A Big Bold Beautiful Journey" US Premiere held at AMC Lincoln Square on September 15, 2025 in New York, New York. (Photo by John Nacion/Variety via Getty Images)She kept the jewellery and hair minimal, letting the gown speak for itself. (Variety via Getty Images)

Robbie looked unbelievably chic in the dress, pairing it with a simple strappy black heel and an updo hairstyle.

She kept the jewellery minimal, letting the gown speak for itself.

Robbie seems to have a liking for vintage Mugler, previously wearing a bra and pencil skirt set from the Mugler re/edit capsule inspired by the Lingerie Fall-Winter 1998/99 collection.

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NEW YORK, NY - SEPTEMBER 15: Margot Robbie is seen leaving her hotel on September 15, 2025 in New York, New York. (Photo by MEGA/GC Images)The gown is inspired by the brand’s Jeu de Paume couture spring/summer 1998 collection, but it has been reimaged for the 2025 season. (GC Images)

She was joined on the carpet by co-star Colin Farrell, who wore a grey suit and matching undershirt.

In A Big Bold Beautiful Journey, she plays the role of Sarah, a woman whose life becomes more exciting when she meets David, played by Farrell.

Their meeting leads them to a mysterious red door that has the power to change everything.

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Margot Robbie, Colin Farrell at "A Big Bold Beautiful Journey" US Premiere held at AMC Lincoln Square on September 15, 2025 in New York, New York. (Photo by John Nacion/Variety via Getty Images)Margot posed with Colin Farrell at the premiere. (Variety via Getty Images)Margot Robbie at "A Big Bold Beautiful Journey" US Premiere held at AMC Lincoln Square on September 15, 2025 in New York, New York. (Photo by John Nacion/Variety via Getty Images)She greeted the hundreds of fans waiting to catch a glimpse of her. (Variety via Getty Images)NEW YORK, NEW YORK - SEPTEMBER 15: (L-R) Margot Robbie and Colin Farrell attend "A Big Bold Beautiful Journey" New York Premiere at AMC Lincoln Square Theater on September 15, 2025 in New York City. (Photo by Noam Galai/WireImage)In A Big Bold Beautiful Journey, she plays the role of Sarah, a woman whose life becomes more exciting when she meets David, played by Farrell. (WireImage)

So, in dire need of something new, they both walk through – allowing themselves to fall into whatever is waiting on the other side.

The romantic fantasy film sees both of them walk through the door, unlocking memories and giving them the chance to relive some of the big defining moments of their lives.

Margot Robbie attends the "A Big Bold Beautiful Journey" UK PremiereLast week, Robbie wore a stunning “naked” dress that was dripping in jewels and embellishments, designed by Armani. (Getty)Margot Robbie attends the "A Big Bold Beautiful Journey" UK PremiereThe dress certainly commanded attention. (Getty)

Last week, Robbie wore a stunning “naked” dress that was dripping in jewels and embellishments, designed by Armani.

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