Hailey Bieber wears vintage Gucci by Tom Ford thong at GQ Men of the Year Awards

Hailey Bieber brought ‘90s nostalgia to the 2025 GQ Men of the Year Awards, where she wore a sheer vintage Gucci dress.

The model stepped onto the red carpet in the head-turning, glittering halter gown with a back slit, which she layered with a vintage Gucci by Tom Ford thong — a look previously modeled by Kim Kardashian and Solange, among others.

The gown featured an alluring back-baring design, while the thong featured jeweled Gucci details. The rhode founder wore her blond hair in a casual updo.

She also accessorized with diamond earrings, a tennis bracelet and her massive wedding ring from husband Justin Bieber.

Hailey is one of the seven celebrities who covered this month’s issue of GQ Magazine, also all serving as co-hosts of the Los Angeles event — she was joined by Stephen Colbert, Seth Rogan, SZA, Oscar Isaac, Clipse and Sydney Sweeney.

This was a milestone event, as it celebrated 30 years of GQ Men of the Year.

The event’s theme was “’90s Hollywood Red Carpet,” which promised to bring out retro style in droves.

And stars definitely did not disappoint.

There were sheer looks abound, slinky slip dresses, and “Christy” star Sydney Sweeney wore night’s most spectacular look in a figure-hugging column gown.

Bieber was in her element, as she dresses for the theme on the regular.

Fresh off of best friend Kendall Jenner’s birthday trip, which included — yes — sheer looks, slip dresses and the like, Hailey also rocked some ‘90s-centric head-to-toe leather for the WSJ Innovator Awards just last month.

And, a few weeks before that, she stunned in sculptural Schiaparelli Couture, sacrificing practicality for beauty when she attempted (unsuccessfully) to sit down during the event.

Despite her flawless, confidenct red carpet appearance, the supermodel once divulged that she wasn’t always so comfortable.

“It took me years to feel comfortable as a model,” she told Harper’s Bazaar in 2021. “Now I’m a lot more adventurous and I try different things.”