Ethan Slater has settled his divorce from Lilly Jay. The Broadway actor – who is now dating Ariana Grande – split from his high school sweetheart in summer 2023 amid claims he had grown close to his ‘Wicked’ co-star, and the pair have now agreed the terms of their split and had their divorce signed off by a judge, TMZ reports. It is unclear how the former couple have agreed to split their assets or custody of their two-year-old son. The 32-year-old actor and Ariana went public with their romance last October, three months after they split. After Ethan filed for divorce last July, Lilly hit out…