Perfect updo's for summer nights

The Summer may be coming to an end but updo's will always be a popular weekend style. But this year the simple knot has made it to the mainstream, with beautiful knots, twirls and ponytails a looks regularly seen in the office for daywear. And it doesn't matter what length of hair you have there are plenty of options to  pull it off the face. It can be as soft and feminine or as hard and playful as you want. Here are a few that have caught my eye.