Plz advice... how to approach this girl.. genuine answers only plz..?

OMG! You are 11 years older than her and you want to be serious with this girl??? Ok now that i'm over my shock i think that this is very serious. You should start talking to her, letting her get to know you but don't let her know that you've been 'waiting all your life for her' as this could freak her out. Once you've become friends with her you can ask her out. Take it from there. You have to be really casual about this as this could freak her out if you go in too fast.