Of course the picture is not real.
Stella claims to be 5'7" measuring 36DD-25-36.
The pic is of a girl 5'8" measuring 34C-23-33
and it was taken more than 5 years ago.
(See the 2008 swimsuit edition of Sports Illustrated.)
{Google Image Search is very effective at finding
originals for almost all these advertising pictures.**
On the other hand, the image in that picture might resemble Stella. My own daughter has a close friend who (aside from her face) could easily be mistaken for the girl in the photo (and lives in the Joyce area) - which doesn't really inspire me to inquire further ...