NEW YORK (AP) — Jason Aldean has married former “American Idol” contestant Brittany Kerr. Aldean tells Us Weekly magazine they were married in Mexico on Saturday evening. Aldean calls it “the best day ever.” Kerr says she feels like the luckiest woman to have been able to marry her best friend. Aldean made tabloid headlines when he admitted to acting inappropriately with Kerr while still married to his first wife, Jessica.