She started off the evening in a breathtaking monochrome gown.
And Rosamund Pike looked sensational as ever as she underwent an outfit change while attending the IWC Schaffhausen in Geneva, Switzerland on Tuesday.
The 39-year-old actress was the picture of elegance in a striking gown with a cut-out at the waist that showed off her toned abdomen as the bash continued into the night.
The dress came complete with two large bows at either side of the cut-out while it was given a stylish finish with an intricate pleated detail.
Keeping it simple, the Gone Girl star accessorised with a silver watch and pearl earrings.
Earlier in the evening the British star looked every inch the natural beauty in another simple yet effortlessly elegant gown.
The cream dress featured black halterneck detailing and a matching waistband, and was perfectly paired with coordinating peep-toe heels.
The former Bond girl previously chatted about why she wanted to play a part in her latest movie A Private War.
She complemented her pretty features with rosy blush and natural lipgloss, wearing her blonde bob down in loose waves.