CNN — Ariana Grande and Dalton Gomez are going their separate ways. Grande filed a petition for divorce on Monday in Los Angeles. The singer cited “irreconcilable differences” as grounds for dissolution, a source with knowledge of the matter told CNN. CNN has reached out to a representative for Grande for comment. Family law attorney Laura Wasser is representing Grande in the divorce. CNN has not yet determined who is representing Gomez. The “Thank U, Next” singer and Gomez wed in 2021. “It was tiny and intimate – less than 20 people. The room was so happy and full of love,” Grande’s representative told People of the wedding…