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How do I make my hair look this shiny?

I normally have naturally curly hair but I have been straightening it lately and I would like to straighten it for Christmas tomorrow too. My hair is about 3ish inches from my shoulders (more or less..?) so its pretty long. I have side bangs and my hair is a darkish brown.
I also have no idea what the correct way is to part my hair? I normally have it parted all the way on the left side. And its just one line down my head. I have a big forehead also so I try to cover it. What's the correct way to part it? Pictures would help!
And also, how do I make my hair look this shiny? I'm not asking for products because I'm not just going to go out and buy them. Just natural ways or something? When I take a shower I just shampoo twice(garneier fructis sleek n shine), get out, use a leave in conditioner(garneier fructis), and I just got this anti-frizz serum from pro vitamin C. (i've never used it, is it good?) I've tried rinsing in cold water and it does NOT work at all. I also tried putting an egg in my hair but I don't think I did it right..? What do you use/do? Also when I straighten my hair I use a heat protectant spray from tresemme. This is how shiny I want my hair (or more shiny and silky, not greasy):

http://www.redhillsalon.com/images/deion4.jpg

Please help! and Merry Christmas!
oo and also my hair is really thin.