he was singing primadonna (your dating him and alastor) and you were muttering responses to some of them and he heard you and umm I'm just gonna leave this to the chat anyway alastor was in the others in the lobby and you and Lucifer were in y'all's room btw he did again when he caught on the first time he didn't hear

Lucifer:you would do anything for me?singing You:mhm..muttering Lucifer:buy a big diamond ring for me? You:ofc Lucifer:would you get down on your knees for me? You:sure..