"Guess you'll just have to wait and see~eeee," Prompto sang out, which he thought was very clever, considering what the surprise was going to be. "My lips are sealed, though, you're not getting anything out of me until it happens, and everyone else involved has been sworn to secrecy as well!"

And he wasn't going to tell her who those were, either, because then she'd start pestering them. And while he figured he could trust Ignis and Gladio not to spill any beans, there was a good chance that Noct would just yeet them right out the window.