Oddly enough she doesn't accomplish this feat using cosmetic surgery. Everything is done with exercise and makeup (and a healthy dose of lucky genetics). See Valeria Lukyanova Exercising + Makeup to learn more about how she manages to do it.
So I guess that is proof that hard work, exercise, healthy food and dab hand at makeup can do some pretty impressive things.
Now you might think, oh that is just photoshop! Except it isn't. Don't believe me? Click the link above and watch the videos of her exercising and you will see she really does look like that in real life.