I don't like her. She has that default chunky look.I think the skinniest Glee girl is Heather Morris:
Lea and Dianna don't look that skinny actually...
If Dianna lost some weight, she would be so lovely.
I remember her being pretty tiny when the show first started, specifically her arms.
I think what also contributes here is the angle. But I have to agree...
I am pretty sure its the dress. Oh, and the cookies.