All they say is top with buttons on and nothing strapless.
Argh! I am a distance learner so no idea what goes on at graduations oe uni for that matter. I know I have a gown and a hat, there is a short reception afterwards.
The one person I have been able to ask says white blouse, black skirt. I thought it was a much more dress up affair, I don't want to turn up looking like a waitress and everyone else is in gorgeous clothes. the guys are all wearing suits or kilt, dead easy.