Kristen Stewart known for her casual laid-back style has become the face of Balenciaga's new perfume 'Florabotanica.'

Balenciaga, is known for their feminine, ultra-modern shapes and trademarks. The house, continues to cultivate creative high fashion designers such as Oscar de la Renta, Emanuel Ungaro and Hubert de Givenchy. Fashion designer Nicolas Ghesquière, is the head designer for the brand, owned by Gucci group.

"I'm very lucky that I like the fragrance, because I would have done anything with Balenciaga designer Nicolas Ghesquière. And I'm a terrible liar," said the 'Twilight' actress to WWD.

The 22 year-old, is known for her free spirited, laid back fashion, going from t-shirt and jackets to designer dresses is a perfect fit for Balenciaga. 

"There is something natural about it. It's very alive. I think that as a young person wearing it - considering I've never worn a scent - it kind of puts you on this level of like, 'Whoa, check me out.?"

The new fragrance aims to exude youthful energy mixed with floral scent 'it kinds of put you on this level of like, 'Whoa, check me out.' ?" said Kristen.

Kristen will now be the face of 'Florabotanica' expected to be released in September 2012.