User blog:Musicgirl14/How do I get DLC from MK9?

I just bought a PS3 and the new MK game and I'm new to this whole playstation thing. I've asked a ton of people and no one has given me a straight answer it's all a blurr and confusing and it frustrates me. SOMEBODY HELP ME!!! If you have any suggestions plz don't hesitate to reply preferably a step by step guide would be helpful THANK YOU for taking the time to read this, I appreciate it :)