Happy Birthday! :D You're seeing Jimmy Carr, You've seen Pendulum and you've been on TV? Daaaaymn ;)
Have a fab day, try not to worry about the whole 'feeling your age' thing. Age is just a number remember. I'm 17 and I still feel 12 years old at times. And the Disney thing? There are 40 yr old women walking around with Winnie The Pooh tattoos You all know the type.