Princess Eugenie and fiancé Jack Brooksbank enjoyed a date night at Swanky Restaurant Isabel in Mayfair, London on June 28, 2018

Princess Eugenie showed off her sparkling engagement ring, pictured, as she climbed into the car

Princess Eugenie accessorized with a pair of a summer classic Stuart Weitzman ankle braided strap wedges and a black handbag, enjoyed a date night in Mayfair, London

Princess Eugenie and fiancé Jack Brooksbank co-ordinate in black and white as they dine out at a swanky Mayfair restaurant

Princess Eugenie looked radiant as she enjoyed a date night with fiancé Jack Brooksbank on Thursday night in Mayfair, Lond, June 28, 2018.

(L) Jack Brooksbank, looked in excellent spirits as he joined his fiancee for the date night at a swanky Mayfair restaurant in London

Princess Eugenie looked ready for summer in a flattering black and white striped midi dress. She accessorized with a pair of Stuart Weitzman ankle strap wedges and finished her look with a black leather handbag slung on her shoulder.

Princess Eugenie and her husband-to-be co-ordinated in black and white ensembles as they stepped out for the meal at swanky restaurant Isabel, in London's Mayfair, on Thursday, June 28, 2018

Princess Eugenie in a striped midi dress with a flattering racer neckline.
The flirty frock featured black chevron detailing on the top and skirt, separated by a block of solid white that accentuated her slim waist. She accessorized with a pair of Stuart Weitzman ankle strap wedges and finished her look with a black leather shoulder bag.

Princess Eugenie looked radiant in a striped midi dress with a flattering racer neckline. Meanwhile, fiance Jack Brooksbank, kept his look casual in a white t-shirt and black trousers, pairing the look with grey suede lace-up shoes as they stepped out for the meal at swanky restaurant Isabel, in London's Mayfair.

Princess Eugenie looked ready for summer in a striped midi dress with a flattering racer neckline and finished the look with a black leather handbag slung on her shoulder, as they dine out at a swanky Mayfair restaurant in London