Dianne- to answer your questions. She only came because a mutual friend invited her, i didnt know she was coming until she turned up. I did say we could never be friends but if i was to bump into her i wouldnt snob her off i would be civil, ask how she is etc.
There is no repairing our friendship, more i don't want to she caused so much damage to my relationship and we have been so much happier since shes been out of my life.
The only reason i would consider going is because we were best friends for 8 years and it would just be for old times sake and then i would continue living my life with her not in it.