The model, 36, wore a semi-sheer panelled gown with a leggy thigh-high slit for the launch of the the tenth film in the Fast & Furious franchise.
Stepping out to support Jason, 55, who plays Deckard Shaw in the upcoming film, Rosie linked his arms while posing for photos on the red carpet.
Her lingerie inspired dress featured a plunging satin bra with black fabric draped across one shoulder and mesh gloves.
She topped her look off with a pair of opaque stockings and boosted her height with a pair of strappy heels.
Rosie styled her long blonde hair into a sleek look with a hint of a wave on the ends and carried a small box handbag.
Jason looked edgy in a pinstriped black shacket and matching trousers, topped off with a pair of chunky leather boots.
He stars in the film alongside leading man Vin Diesel as Dominic Toretto and Michelle Rodriguez as his on screen wife Letty Ortiz.
Fast X is set to be the penultimate film in the series and will premiere in Rome on May 13, a US release date is set for May 19.
The movie will also feature previous franchise stars, Ludacris, Nathalie Emmanuel, Sung Kang, and Scott Eastwood.
The tenth instalment also introduces newcomers Jason Momoa, Brie Larson, Daniela Melchior, Alan Ritchson, and Rita Moreno.
Meadow Walker has revealed that she will be making a cameo in the upcoming to final Fast & Furious, in which her late father, Paul Walker, previously starred.
The 24-year-old model shared an image from the soon-to-premiere movie to Instagram that showed her appearing a scene shot inside an airplane.
The fashion industry figure went on to express her gratitude towards Fast X’s director, Louis Leterrier, for including her in the project.
Walker’s father previously portrayed Brian O’Conner in the Fast & Furious franchise.
The performer tragically passed away at the age of 40 in November of 2013 after he was involved in a single-vehicle crash that occurred in Santa Clarita, California.
At the time, the actor was working on the seventh installment in the movie series, Fast 7, which eventually premiered in 2015.