Margot Robbieis taking it back to the 60s!

But the star — who played the doll in thehit summer film— says she couldn’t play favorites or pick her best Barbie.

“I don’t know about my favorite,” Robbie tells PEOPLE. “But this look was Ruth Handler, the creator of Barbies, favorite Barbie look," she reveals. “This is a Barbie from 1964 and Ruth Handler said it was her favorite.”

Margot Robbie at the 33rd Annual Gotham Awards held at Cipriani Wall Street on November 27, 2023 in New York City.

Bryan Bedder/Variety via Getty

The Wolf of Wall Streetstar paired her outfit with black Manolo Blahnik peep-toe heels and black leather gloves. She also held onto a gold clutch and wore pearl earrings as she walked the star-studded red carpet alongside herhusband of six years,Tom Ackerley.

Jamie McCarthy/Getty; Alamy

Margot Robbie Gotham Black Magic Barbie 1974

While promoting theBarbiemovie — which also starred RyanGosling— Robbie wore an assortment of looks referencingdifferent Barbies throughout the years.

In July, Robbie spoke to PEOPLE aboutcollaborating with stylistAndrew Mukamalon their Barbie-inspired looks and the vision they shared when recreating each outfit.

The actress looked stunning on the red carpet.Jamie McCarthy/Getty

Margot Robbie Gotham 11 27 23 New York

Jamie McCarthy/Getty

“We’re finding Barbie references from decades past and just doing it really for the big Barbie fans out there, people who are actually collecting those Barbies,” Robbie said at the world premiere of the film in Los Angeles. “We’re hoping to get them excited. We’re pairing Barbie references with great designers.”

Having sported various eye-popping pink outfits honoring Babire ahead of the film’s release, Robbie admitted, “It’s not subtle, but it’s very fun!”

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Robbie wore several Barbie-inspired outfits promoting the film this summer.Getty

Margot Robbie

Getty

Other stars in attendance at Monday’s Gotham Awards includedBarbiewriter and directorGreta Gerwig,Michelle Williams, 43,Natalie Portman, 42,Penélope Cruz, 49,Leonardo DiCaprio, 49,Carey Mulligan, 38,Bradley Cooper, 48, andRachel McAdams, 45.

Barbiewas one of the films celebrated on the evening. While Robbie’s costar Gosling, 43, was nominated for outstanding supporting performance, Gerwig, 40, was honored with the global icon and creator tribute.

source: people.com