The 26-year-old actress is a huge fan of The Fashion house because they were the only company to loan her clothes for red carpet events when she was starting out in her career.
She said: "I tell you why I like Chanel so much; when I started off, no one wanted to give me clothes to wear. Absolutely no one. All the labels said, 'Who is she?'
"Modelling was not completely satisfying. But Chanel believed In Me from the very beginning. For the very first red carpet I did at the Toronto Film Festival in 2008, they dressed me up in their very current season collection. It's a massive brand, why would they invest in someone who is nobody."
She said: "I always have a good time with Karl because he's so appreciative and wants me to try different things."
The 'Rise of the Planet Of The Apes' actress is also a big fan of high street retailer Topshop.
She told Britain's InStyle magazine: "Shopping at Topshop is one of my favourite things. I get a discount. I get 40 per cent - that's good right?"