I'm a big fan of the plaid/flannel shirt look. If you layer it over a fitted tank/tee, your favorite pair of jeans, and high-heeled boots - you can get a grunge meets girly look. Some even have frills on them for a more girly look. OH, and you can basically find these shirts EVERYWHERE.
Lindsay Plaid Tunic - Alloy $29.90
Snap Front Buffalo Tunic - Wet Seal $17.70
Shrunken Flannel Shirt - AE $39.50
Kimchi Buttonfront Tunic - Urban Outfitters $58
Elisa Plaid Shirt - Delias $39.50