Yes, sorry to be "that guy" as well, but it's voila ("voilà" if you want to be pedantic). "Viola" either refers to a stringed instrument, or means "raped" in t

Yes, sorry to be "that guy" as well, but it's voila ("voilà" if you want to be pedantic). "Viola" either refers to a stringed instrument, or means "raped" in the sense "he raped" ("il viola"). So please don't use it as an interjection.