I'm new here so thought I'd just drop my question here, I hope you can help me

My best friend's birthday is in April and she's a big Arctic Monkeys fan. I'd like to try to get some autographs from them and was thinking about posting a letter to ask them.
The problem is that I live in Belgium and I don't know whether I should write to a different address than the ones provided or not. Also, I read somewhere on this site that it's not easy (or maybe even impossible) to get an autograph from them...
Do you know if this is true and could you also give me some tricks so they might consider sending me their autographs?

A lot of questions, but I hope you can help.
Thank you very much in advance!
