Ariana Grande apologizes for snubbing Elvira: 'You'll always be our queen of Halloween'
Ariana Grande is extending an olive branch to Elvira, a.k.a. Cassandra Peterson, after the Mistress of the Dark publicly recounted an unpleasant past encounter with the Wicked star. Commenting on Peterson's recent Instagram post featuring a viral video accusing Grande of rude behavior at an Elvira show,