and his enjoyed a day out with her famous dad as they joined a host of celebrities on the race track in Silverstone.
The 28-year-old Olympic swimmer and his 23-year-old partner were all smiles as they walked alongside the celebrity chef on Sunday.
Entering the paddock, the new couple continued to show off their loved up status following the back in June.
Holly looked chic in a simple short black mini-dress and a pair of Prada loafers that she wore with black ankle socks.
She accessorised her outfit with a purple clutch handbag and plenty of jewlery and let her blonde hair hang loose over her shoulders.
Her boyfriend was oh so stylish in a knitted button-down t-shirt that he left open over the top of a white tank top.
The athlete then added a pair of black drawstring trousers and put a pair of branded platform trainers on his feet.
Dad Gordon, 56, was cool in a black leather jacket, matching black jeans and a plain white t-shirt.
Elsewhere on the historic track, actor , 59, made a surprise appearance and went incognito for the most part keeping a low profile.
He wore a plaid button-down shirt jacket that he left undone – except for the top button – and put on a white t-shirt underneath.
The A-lister finished off his casual attire with some beige chinos, white trainers and brown-tinted aviator sunglasses.
Former One Direction singer Liam Payne, 29, was also out and about for the motorsport event and clutched a can of Red Bull as he made his way to the VIP area to support the team.
He was dressed in a blue denim t-shirt and beige chinos and kept the sun off his face with some black sunglasses.
The musician let his brown locks part into curtain bangs and plaited a few strands at the front of his mop.
Lewis Hamilton showed up to snap some pictures before taking his seat in the actual race and proved he was still arguably the most stylish driver in the line-up.
The driver, 38, smiled in a metallic blue and orange bomber jacker that he wore over the top of a graphic white t-shirt that he tucked into a pair of black jeans.
He waved to crowds as he covered his eyes with some black shades and gripped a purple-cased phone in his free hand.