I used the following address:
Cara Delevingne
United Agents Ltd.
12-26 Lexington Street
London, W1F 0LE
UK
Received 1 picture back signed & personalized

It came back from a french address with another envelope than mine.
Sent: 10.02.16
Received: 29.04.16
Here you can see the pic:
https://www.facebook.com/janasautographs

Uploaded with surfmypictures
Envelope:

Uploaded with surfmypictures
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