Is this subjective, too?
Most Helpful Guy
One man's ten may not be another man's ten. No body is 100% flawless, so a "ten" doesn't really exist in my book. The only thing you can do is compare something that it close to it.
+ Smooth, clear skin
+ Soft, feminine facial features
+ Breasts and bottom are proportional to her overall frame size
+ Long, silky hair
+ Hourglass shape
+ Not overweight
+ Toned, but not muscular
Also, generally speaking, a girl is a "ten" when she has reached her tenth year of life on Earth.