What was your description? It might help to see it to suggest other ways of saying things, but here are some possible ways of changing things:
She is wearing a blue top. -> She has a blue top on.
She is blonde. -> She has blonde hair.
To Look (for describing emotions):
She is happy. -> She looks happy.
If you were writing in a more descriptive, story-like way, you could put all those together into 'Her blonde hair fell forward over her blue top as she smiled.' So you can see it depends a lot on the kind of description you want to write.