Building on his start in the boy band Dream Street, Jesse McCartney transitioned into a highly successful solo musical career in the mid-2000s, establishing himself first as a teen pop sensation with the platinum-selling 2004 debut album, Beautiful Soul. As his career progressed, he demonstrated significant musical evolution, moving away from pure pop toward a more sophisticated R&B and dance-pop sound with his third album, Departure (2008), which featured his biggest hit, the smooth, infectious single “Leavin’.” Beyond his own vocal performances, McCartney is also an accomplished songwriter whose credibility extends to mainstream pop, most famously co-writing the globally chart-topping ballad “Bleeding Love” for Leona Lewis, ensuring his continued influence in both performing and crafting popular music.