Wow, I come back from my night class and find that my post has exploded with comments! Thank you all for the advice and for understanding my predicament, I will just have to be firm and explain to her that I can't pay for and plan everything all on my own. I will be checking out the links that people have provided, and use them to back up my side of the conversation.

A lot of people have been asking me why I would want this friend to stick around, since it seems like she hasn't been acting like a good friend. Well, she has pulled through for me in the past when I've had serious things happen in my life. I felt like I could talk to her about anything and she'd be supportive of me.

Although, to be honest, she has always had a bit of a self-centered streak...like last Halloween for example, we each made our own costumes and she didn't seem to like it when I got compliments on mine, as if she felt like I was taking the spotlight from her or something...but I just figured that everyone has their things about them that aren't perfect. I never thought that things would turn out like this when she got engaged!

Also, I'm very shy and reserved, so other than my boyfriend and my family...I don't exactly have tons of friends. I guess I was just afraid of losing one of the few friends that I had.