Marlee the owner of Tattered made these AWESOME shirts. There is also a male version of the shirt. Come to Total Anarchy & check it out. You get all 4 colors for 40L. That's just 10L a shirt. The female shirt can also double for a dress.
Shirt: Julya 40L by Tattered @ Total Anarchy http://maps.secondlife.com/secondlife/Anarchy/38/176/102
Shape: Jayne 66L by Shame Me Designs @ Total Anarchy