Age-old beef between Elvira (Cassandra Peterson) and Ariana Grande has been given new life, causing the second "Wicked" -adjacent controversy in weeks.

The singers made a pact on set and “built like a real partnership collaboration… right down to vocals,” Erivo said.

Ariana Grande is apologizing after Cassandra Peterson, who plays horror character Elvira, recalled a bad encounter with the singer.

Actress Cassandra Peterson, who's best known for her Mistress of the Dark alter-ego, said Ariana Grande had requested tickets for herself and family members to one of her stage shows. She told a panel that she'd posed for photos and signed autographs for "all her friends and relatives" but that Ariana had refused to pose for a picture in return and left before the performance.

Ariana Grande has apologized to Elvira, Mistress of the Dark, after she revealed being snubbed by the pop star after taking photos with her family members at an event several years ago. Actress Cassandra Peterson,

Ariana Grande was "disheartened" after Cassandra Gay Peterson, also known as Elvira, opened up about her worst celebrity encounter that happened to be with Ariana

Elvira recounted a "rude" encounter with Ariana Grande from about seven years ago when Ariana refused to take a picture with her at an event.