To begin with, Lily Collins wore this beautiful dress made by Zuhair Murad, which is composed of a rose design. A proof that you can be sweet and cheeky at the same time.
Then, Maissie Williams showed this dress in yellow tail accompanied by a handbag.
The protagonist of Stranger Things, Millie Bobby Brown looked very classy in her silver dress.
This couple gave the example of how to be classics and elegant: Elsa Pataky and Chris Hemsworth. At the end of the day everyone has their style and way of showing themselves, what matters is how they look and have fun with it.