Nostalrius Begins - Quality wow vanilla realm (1.12)

I have encountered a bug relating to my leggings. The old model of the leggings i was wearing before persists even though i have replaced those leggings. It overlays my current gear and looks kind of strange . I have attached screenshots of this issue. Just wondering if i can get any help with this issue, or has anyone else had the same problem? Any help is greatly appreciated. thanks!

http://i.imgur.com/fgQACW6.jpg?1 Leggings on

http://i.imgur.com/L5RqZHD.jpg Leggings off

Have you tried deleting your WDB folder to see if it makes any difference?

Yea. i have done that and it didn't work. Thanks for the reply though.

Just saw a night elf rogue in Tanaris with the same issue, so i'm glad i'm not the only one with this issue
Still haven't been able to fix . Heres the pic
http://i.imgur.com/n6QRR1N.jpg