We chart how the star's style has evolved from Twilight grunge kid to Karl Lagerfeld muse

At 26 years old, Kristen Stewart has already experimented with more drastic hair changes than all the Kardashians combined - and that's saying something.  From the tomboy bob she sported as an 11-year-old at the Panic Room premiere in 2002 (yes, she's a red carpet veteran) to her peroxide orange phase and current beachy bleached bob, it's never as simple as a standard cut and blow-dry with K-Stew.

She's a master of the kohl-rimmed eye and goes bold with coloured eyeshadow, preferring to keep her lips nude or a rosy natural. But there are times when Stewart has proved she can be quite the little lady too - from her fresh-faced appearances at Cannes to a classic beauty look on the Oscars red carpet, it's suddenly easy to see why she's a favourite at Chanel.  Chart her ever-changing style in the gallery above. 

Kristen Stewart’s beauty transformation: from 2002 to now