Charli XCX's Converse 'Party Girl' trainers come with a little key. Fans have picked up on the nod to 'Brat' track '365' ...

Comme Des Garcons X Converse, from £130 - buy here; The trainers are available in a variety of bright shades including pistachio, peony and baby blue - the only problem will be choosing which ...

The trainers were quite the bargain; they retail at £44 online and are seen as casual staple by many. In fact, Zara isn't the only royal who has recently revealed her love for the style.