How to get that "natural" look?

ok-so i'm 14, in high school now, and haven't really worn much makeup-the only thing i really wear everyday is the tiniest bit of (brown) eyeliner on my top eyelid only. *i have tan skin, brown glasses, golden brown hair and dark brown eyes.*

here's my question…….

you know on those commercials for like dove, jergen's, st. ives or covergirl-how they have all of those really pretty-looking people on there commercials? and they all look as if they have no makeup on-or maybe just a little bit-but you can't tell? or how in the movies, the "normal" girl seems to have little to no makeup on-when she really does?

well, i want to know how i can achieve that like um, Fresh Faced, Natural Beauty Look. using drugstore products, brands etc. ***or is no makeup the answer?*** also, any tips on fresh-natural looking waves for hair would be helpful too. :) thanks soo much to all who answer! :D