What in the name of god is running through her head that she pulled that expression?

Someone snapped Clemence Poesy on her way to the Chanel couture show. While magazines banged on about her amazing outfit - which lets be fair here, is black skinny jeggings and a jacket, they forgot to mention the odd facial expression she has here.

Which to be fair looks like she is either chewing the jaw off herself after a hardcore night out or that she has a gob full of sour lemon sweets....the truth is something more then likely a lot more dull then that but since when have we ever cared about the truth?

Let the vicious rumor spreading commence!