Christina Aguilera spun a late-'90s breakthrough into an evolving and genre-hopping career that focused on uplifting ballads and sexually liberated anthems delivered with her iconic voice. Her first big break arrived in 1998, when she recorded "Reflection" for the soundtrack of Disney's Mulan, a performance that led to a contract with RCA Records. Aguilera's debut reached the top of the U.S. charts on the momentum of the number one single "Genie in a Bottle," which was followed in short order by another chart-topper in "What a Girl Wants" (the latter happened to be the first number one of 2000). Aguilera racked up recognition in a number of ways, playing the Super Bowl half-time show and winning the Grammy for Best New Artist, as "Come on Over Baby (All I Want Is You)" gave her a third number one single.