Megan Moroney “never exclusively” dated Morgan Wallen — but they were once romantically involved. The “Tennessee Orange” singer finally addressed the longstanding dating rumors, which began in 2022, during an appearance on the “Call Her Daddy” podcast Wednesday. “It was never a relationship,” Moroney admitted. The country singer, 26, met Wallen, 31, before the COVID-19 pandemic in 2020 when she …