Chargers' Justin Herbert says Madison Beer 'changed my life forever' in birthday tribute: Who is the pop star?

Pop star Madison Beer and Los Angeles Chargers quarterback Justin Herbert seemingly cemented their relationship status with a birthday post.

Herbert celebrated Beer's 27th birthday on Instagram, gushing over how the "Reckless" singer has "changed [his] life forever."

The NFL star noted he's the "luckiest guy alive" to be with Beer, a rising star in the pop music world. Beer's new relationship with Herbert has drawn increased interest from NFL fans and others curious about the brunette beauty.