I absolutley
adore this outfit. I really want that jacket...

Ok...Similiar Jacket can be found
here, from Asos, for £55.00:

Similar jeans from Topshop can be found
here for £35.00:

Similar boots from Topshop can be found
here for £65.00:

On
this picture, it appears that Emma's top is the AE one she wore for the Official Website photoshoot (and when she went to visit the Chanel apparement). You can see that
here.I'm not sure whether AE sell it anymore, however, you
could buy a plain vest, like
this one from topshop (£6!!):

...and customise it.
Similar green pashmina, can be found at mypasmina.co.uk: