Found!

The girl i was looking for has been found!
She's British model GEORGIA FROST at Marilyn.
One of the models selected by COACD to wear the special casting T shirt designed by David Covell and Mitra Khayyman, she's modelling for Lacoste, Morphine Generation, Rag & Bone, Ruffian, Sue Stemp, United Bamboo, Matthew Williamson, Reem Acra and Jill Stuart for Fall 07 fashion shows.

* source TFS
* and special thanks to lovely andrea for her help!