I LOVE this game! It seems to me like those Dora The Explorer or Blues Clues games for kids on Nickelodeon- fun, interactive and all the while remaining educational! ;) (Click + drag the orange bar to see before and after)
I have spent way too much time with that orange bar. 
Must.Stop.Transforming.
Photographer Greg Kessler captures the transformations of Paris Fashion Week (Spring 2011-2012). Here is model Iris Egbers before (left) and after (right), transformed. Beauty at Alexander McQueen.
Sigrid Agren for YSL
Zuzanna Bijoch at Givenchy
Frida Gustavsson at Jean Paul Gaultier
Kate King at Lanvin
Dempsey Stewart at Rick Owens
Jacquelyn Jablonski at Dries van Noten
Josephine Skriver at Emilio Pucci
Flavia Lucini at Emporio Armani
Bette Franke at D & G
Anabela Belikova at Gucci
See here for more Model-Morphosis features from older seasons.