Are you sure you don't mean "invited guests?"

invited is the past participle of the verb invite Candidates who are successful in the written test will be invited for an interview. guest is a noun Our special guest on the programme tonight is Robert de Niro. or a verb He guests on their latest video

A is invited to a party and he does not show up: he will not be a guest. B rings the bell of the house (were the party is) as he wanted to visit the owner (an old friend; B is from another city); by chance he joins the party, therefore he is a guest, but was not actually invited.

No. I am not kidding.

You're kidding, right?