Chatting to the Prince of Wales at a posh charity do last night, Cara Delevingne still couldn't keep that elastic face of hers under control. You'd think, in front of Royalty, she'd do the right thing and simper meekly.

Mind you, the fact she didn't is probably part of the reason she has built up quite such a fanbase.

The model is famous for her faces, goggly expressions pulled in between takes of pouting and purring for high fashion campaigns or tweeted un-self-consciously day and night, in which Delevingne sticks out her tongue and crosses her eyes.

It's testament to her character that she didn't feel the need to keep a lid on that while talking to the future king.