I always think youget a much bigger reaction if you start being over dressed befor being und(e)ressed
...under-dressed...but have some simple accessories on hand that can dress up your outfit (scarf or sparkly jewels or killer shoes or belt)...
Depends on the occasion
It pays to carry a change of clothes in an oversized bag.
Can't choose.. better not to dress xD
Under-dressed. People have a "who-does-she-think-she-is" tendency towards the over-dressed aspect.