Elvira, hopes Ariana Grande has learned a lesson after the horror comedy icon had to call the singer out for a bit of wicked behavior earlier this year. "I take a picture with every single one of them, I sign autographs for every single one of them. And she goes, 'No, I don't really do that,'" Peterson said in a video she reposted on Instagram. Grande commented on the post at the time (it appears to be since-deleted), writing: "so disheartened to see this. Peterson, who has worked in the entertainment industry since the 1970s, says she's optimistic that Grande will grow from the experience.