The Idea of You (2024)

40-year-old single mom Solène begins an unexpected romance with 24-year-old Hayes Campbell, the lead singer of August Moon, the hottest boy band on the planet. As they begin a whirlwind romance, it isn't long before Hayes' superstar status poses unavoidable challenges to their relationship, and Solène soon discovers that life in the glare of his spotlight might be more than she bargained for.

Tags: age difference, based on novel or book, boy band