what a fun room for a teenage girl. i don't have any curtain advice/sources for you, but I did see some artwork at HomeGoods that would look great in this room. they were black and white line drawings of various fashion poses. They also had black and white dress manikins.

Try a google search for 'sequin curtain sheers' or 'sequin organza' to find fabric for making your own. If you have a fabric store near you, a seamstress is nearby, too! (look at their sheers and bridal fabric sections). Cute idea!

You've done a great job!! Since "blingy" pre-made panels may be hard to find, I would suggest purchasing plain panels and embellishing them with sequin and crystal-encrusted trims that are available at nearly every fabric and/or craft store. You can attach it with fabric glue and get a customized look. Also try the teen window treatment section at jcpenney.com - I always have good luck with JCP's selection and they're modestly priced! Good luck!

This is a very elegant room:) you can purchase taffeta and sew your own on it they also sell trim with them on it or if you look into the evening wear fabric some will even include them .

http://www.bing.com/images/search?q=sequin+fabric&id=DB45273EFB2FB8133AF2E234A83C09DA7F29A784&FORM=IQFRBA

How about some black velvet curtain panels with bling tie backs. And you could also do a simple roller blind, either white or black&white that you can glue sequins to.