Behind the flashing lights and chart-topping hits, many music icons live with Attention Deficit Hyperactivity Disorder. For some, it has been a lifelong struggle to stay on track, for others, it’s a source of creativity and drive. From Britney Spears to Adam Levine, these stars have opened up about their ADHD journeys — and how they turned a challenge into a strength and harnessed it as a superpower.