Ariana Grande has reportedly moved on with one of her Broadway costars following her surprise split with husband Dalton Gomez. The pop star, 30, is dating her Wicked co-star Ethan Slater, 31, according to PEOPLE, who reported the alleged news on July 20. “Ariana and Dalton separated in January. She and Ethan recently began dating, and he is separated from his wife,” a source told the outlet. On July 26, TMZ claimed to have obtained documents filed by Ethan in New York, moving to end his marriage to wife of five years, Lilly Jay. An official reason for the divorce has not yet been disclosed. HollywoodLife has reached out to Ariana and Ethan’s reps for comment.