Gemfields, the world’s leading coloured gemstone producer, introduced actress Mila Kunis as their new brand ambassador at an exclusive event the other night in London, and boyfriend Ashton Kutcher was right by her side.

Celebrity attendees besides Kunis & Kutcher included Florence Brudenell-Bruce, Theo Fennell, Stephen Webster, Lilah Parsons and Jacquetta Wheeler.

Alongside the unveiling of their new global campaign, one-of-a-kind creations from some of the world’s leading jewelery designers were on display using Gemfields’ ethically sourced emeralds, rubies and amethysts.

Ashton Kutcher‘s favorite gal pal insisted on traveling to the Gemfields’ mines in Africa to witness the staff at work and learn all about the emeralds, rubies and amethysts first-hand before agreeing to become the face of the firm.