Haircuts

I need to get my bangs trimmed. But I'm terrified that it won't turn out the way I want it to. I want it to look like this sort of;

©RisaIsAFox

Not sure if the colours she used would look good in my hair; but I want the bangs to look similar to what she has. But then I'd have to have my hair the same way everyday since I'm not sure how it would react to being like pulled back or whatnot. Well, I know I can't take in a snapshot of this image in to a salon because the last time I tried that they barely cut my bangs and instead focused on the sides of my hair. :I So I guess I'll try cutting it myself; it's my bangs. It should be easy, right? I'm going to end up screwing up I know it.