Kardashian Stuns in Backless Gucci Dress on Yacht

made sure to turn heads in a daring backless Gucci 'thong dress' as she kicked back on a yacht after 's success at the Monaco Grand Prix.

The reality star, 45, dressed to impress in a daring backless black sequin gown as she arrived from her luxury superyacht.

Kim looked nothing short of sensational as she went braless under the racy number and flashed the vintage Gucci thong from 1997 beneath. 

This particular G-string isn't some limited edition designer item that's just hitting stores. In fact,

The thong first appeared in the runway as part of Tom Ford's Spring/Summer 1997 collection for Gucci and is actually part of a bikini set.

It's not entirely clear just how Kim came across this thong, but it is not the first time she has worn it as she posed for Instagram snaps in 2018 in the number and supermodel

The SKIMs mogul styled her dark tresses in a neat waved up do for the night out in Monaco and waved to fans. 

Kim was all smiles during her trip after supporting partner Lewis at the grand prix on Sunday where he finished in second behind Kimi Antonelli. 

The British racer, 41, who was first romantically linked to the Kim earlier this year, sent love to her with a sweet kiss as he accepted his second place trophy following the race over the weekend before the bubbly drenched her.

The TV personality's hair was covered in the fizz as she tried to shield herself from the spray and protect her no-doubt professionally styled hair. 

In a short clip uploaded to the official F1 Instagram account, Kim could be seen proudly filming her beau as he was presented the trophy from Princess Charlene of Monaco - just before being sprayed.

Just before Hamilton had lifted the large trophy up into the air while giving a thumbs up to his team watching from below.

He then blew a kiss towards Kim, who was also nearby which caused her to flash a cheerful smile.

She applauded the professional driver who stood alongside 19-year-old Kimi Antonelli who came in first place.

Kim glammed up for the big day wearing a cream-colored dress that clung to her figure.

While attending the star-studded race, she also unveiled the daring backless portion of the ensemble.

Her dark locks were swept up into a chic updo, allowing loose strands to border the sides of her face.