I think issue 057 model is different. Breast size, shape of areolae and nipples, all differs. 057 model much looks like this nameless model.
http://www.thenude.eu/covers.php?g=16&id=62208&an=2007&luna=01
If 057 and this model are identical, she has tattoo on lower stomach. But Gisele don't have tattoo there. And shape of navel differs.