Elena Perminova is wearing a fabulous Chloé dress from the spring summer 2012 runway collection.
You can find another dress from the same collection and inspiration on sale at Net-a-porter, this fluid white and blush Pleated silk midi dress :
You may wear it with Leather wedge sandals by Chloé too :
or with these edgier Patent-leather platform sandals by Jil Sander :
Eventually, the ultimate accessories are these Ray-Ban Polarized metal aviator sunglasses :
Except for the sunglasses, all these items are now on sale at Net-a-porter.