Paris Hilton looked pretty in pink in a Barbiecore outfit as she attended Valentino’s runway show in her namesake city on Sunday, joining sister Nicky Hilton for a girls’ day out during Paris Fashion Week.

Paris and Nicky Hilton

Paris Hilton looked like a living doll as she joined her sister, Nicky Hilton, at Valentino’s show on Sunday.Getty Images

“Valentino Barbie vibes ” the 42-year-old socialite captioned an Instagram video showing off the famous siblings posing in their Valentino outfits as Nicki Minaj and Ice Spice’s “Barbie World” song from the summer’s hottest movie played.

Paris rocked a sparkly hot pink tweed minidress from the Italian label, wearing her blond hair in a bouncy Barbie-like high ponytail with the ends flipped up as she swung a matching Valentino bag ($2,590) in her hand.

The “Paris in Love” star accessorized with a pair of sparkling diamond stud earrings, matching her lipstick and fuschia pumps to her short-sleeved dress with only her white sunglasses breaking from the signature color.

The new mom swapped out her white Valentino sunglasses ($920) for a black pair as she went for a shopping trip at a Chanel store later in the day.

Paris Hilton

Paris wore head-to-toe pink for her front row moment at Valentino.Getty Images

Paris Hilton

She wore Barbie-esque sunglasses for the fashion week show.WWD via Getty Images

Paris and Nicky Hilton

Nicky’s dress featured floral trim on the sleeves.Getty Images

As for Nicky, 39, she sported a red look, wearing a long-sleeved Valentino minidress with rosette detail at the wrists with the label’s Rockstud Pumps ($1,250) and a logo-print red-and-white bag ($2,490).

Paris’ husband, Carter Reum, was clearly loving their looks, commenting with his wife’s signature phrase, “That’s hot ” on the post.

“” the celeb sisters’ mom, Kathy Hilton, commented, while reality star and Kate Beckinsale bestie Vas J. Morgan wrote, “Major Barbie vibes .”

Paris and Nicky Hilton

The sisters looked glam in their girly looks.WireImage

Paris Hilton

Paris changed into black heels and sunglasses for a shopping trip in Paris.SplashNews.com

Paris Hilton

She glittered in a sheer dress for the Balenciaga show on Sunday.Getty Images

“You are 100% a real life Barbie,” a fan added.

Indeed, the stylish duo has been channeling Barbie for years, and Nicky told Page Six Style this summer that she can’t get enough of pink, sharing that it “makes any outfit fun.”

However, Paris ent quite the opposite of the Mattel doll for the Balenciaga show on Sunday, dazzling in a crystal-covered sheer dress and oversized sunglasses fora a sparkling look in the front row.