It’s not a “bad idea, right?” Olivia Rodrigo secretly helped a University of Alabama student graduate when she paid for her final semester’s tuition. Student Jamie Causey, who graduated from the Tuscaloosa-based university with a degree in public relations, revealed Tuesday that the “Driver’s License” singer gifted $5,000 to cover school costs — after keeping the kind gesture private for more than a year. Causey, 21, recalled the interaction began in early 2025 when Rodrigo sent her birthday wishes and then messaged her after seeing that the first-generation college student was struggling to pay the semester’s tuition. “Hi girl! I know you…