Can i wear sweatpants but still look cute?

I have been wearing skitrs and dressy outfits to school lately and i just want to be comfortable at school. Im going to wear these sweatpants: a href="http://www.shopadidas.com/product/index.jsp?productId=3572779&cp=3748176.3772108.2019636.4019382&cid=E75776&shopGroup=O," rel="nofollow"http://www.shopadidas.com/product/index.…/a and tall grey uggs (folded over to show the fuzz...) but i have no clue what to wear for a shirt or what to do with my hair!?! please help!