Normal, in cases like this i'd usually say, if you feel you have to ask the question, then, really, you already know the answer...which is, of course, a resounding no...but we're talking etchy here.
Ugg boots are glorified slippers and they became 'popular', because lazy Scousers couldn't be arsed to changed their footwear for going out. There's plenty that i've seen that even walk about in their pyjamas (In supermarkets and the City centre)