Grammy winning rapper Pharrell Williams and luxury jewellery brand Tiffany have hinted at an upcoming collaboration, after the Happy hitmaker was spotted in a pair of custom designed, diamond studded Tiffany sunglasses.

Tiffany executive vice president Alexandre Arnault took to social media to tease the upcoming partnership, posting a picture of Williams captioned '@pharrell and @tiffanyandco are engaged 💍🕶 Custom made 18k gold glasses made with 61 round brilliant diamonds of over 25 carats total, and two emerald-cut emeralds. 🔥'.