Now, get out there and kick ass!

I personally love sportswear, and love using it in high fashion.

The main challenge is technology and that's something I really push and work closely with Adidas on. They're real leaders in sports performance; always trying to push that further and further and get the best technology they can. That takes time and has rigorous testing, it's very laborious, but it's also very rewarding. You get to work with fantastic athletes, and that's a fantastic thing that has nothing to do with my day job in ready-to-wear.

Depending on the season, between 20 and 30 percent of my collections contain some sort of eco or sustainable element, whether it's a beautiful organic fabric or a natural dye. And obviously I don't use animal skins or fur of any kind.

We try to make earth-friendly decisions whenever we can, as it's part of our brand DNA.

I think deep down I'm spiritual, but there's nothing I practice.

When you think of fashion photography, it's a dream. It's like we all want to be those women. We want to wear those dresses.