Ariana Grande and Dalton Gomez have moved to officially end their marriage. The pop star, 30, filed for divorce from the real estate agent, 28, on Monday, with Gomez filing a response immediately following, PEOPLE confirms. News of the couple’s separation broke in July, but the divorce filing is happening two months later as Grande and Gomez were “taking their time together to slowly work through the details of the agreement privately,” a source tells PEOPLE. “They’ve been really caring and respectful of one another through every step of this process.” Calling the uncoupling “kind and patient,” the source tells PEOPLE both Grande and Gomez have “moved on.” The date of…