Being the spokesperson of a skincare brand requires a radiant and clear complexion (a killer smile helps too) and luckily for Biotherm, their latest face has both of those.
Leighton Meester attended a launch event for the brand in Shanghai on Thursday and yep, everyone's favourite Gossip Girl was glowing.
People magazine reported that Meester and The OC star Adam Brody got engaged this week, but before we get too excited about the ultimate TV couple, have a quick look at Leighton's sparkly ring - it's on the wrong finger!
Still got a style crush on Leighton? More of her latest looks below: