Rahze: If you need some ideas of outfits on her, just type in Idolm@ster 2 in youtube and a whole load of dances come up and I am sure there will be some with her in them.
For references, it really depends on which outfit of hers you want. Here are some random ones though:
She is in some of these
I do hope these links work. I have been told I am horrible at links..heheh
Biggest piece of advice: Don't be afraid to ask. It has helped me so much asking for little tips and advice from other cosplayers. Just don't pressure them too much (I have feeling that I annoy them everytime) otherwise they get annoyed.