/fa/ - Fashion

If you're having problems looking like a boy/a child playing dress up is it the rest of your styling that's the issue?

Having appropriate hair and make up can make a huge difference. http://www.extrapetite.com/2010/05/reader-request-how-to-look-older-in.html?m=1

As for warm weather appropriate outfits, have you considered shift dresses? The shape tends to skew less young than skater dresses can.