It's very Mary Pierce isn't it? I think it used to be even longer than it is now. I read an interview with Anna once where she said she had to cut it slightly shorter because it was becoming a pain having to wash it after every practice session.
There's another good photo on getty. Search for 71339186.
Agnieszka Radwanska • Vera Zvonareva • Laura Robson • Donna Vekic • Heather Watson • Elina Svitolina • Melanie Oudin • Andrea Petkovic