Lewis, who just over a week ago became the Formula 1 world champion for the second time, wore an on-trend grey suit with deep red tie and matching shoes.

The pair, who are both big fashion fans, mingled with guests including Harry Stylesand Ellie Goulding.

Atfer Lewis won the championship last week, Nicole was seen to be clearly emotional in the aftermath, embracing Lewis tightly and kissing her star winner on the helmet as crowds whooped and cheered around them.

The former Pussycat Dolls singer had flown in from Zurich to be at her boyfriend's side for his all-important race, and wowed as she made her entrance to the Yas Marina racetrack in a figure-hugging LBD.