Her singles “Genie in a Bottle,” “What a Girl Wants” and “Come on Over Baby (All I Want Is You)” topped the Billboard Hot 100 during 1999 and 2000, and “I Turn to You” reached #3. According to the album’s songwriters, Aguilera wanted to display the range and audacity in her voice during the promotion of the album, and performed acoustic sets and appeared on television shows accompanied only by a piano. She ended the year on MTV’s New Year’s Special, as she performed and was MTV’s first artist of the millennium. At the 2000 Grammys Aguilera received a “Best Female Pop Vocal Performance” nomination for “Genie in a Bottle” and despite earlier predictions, she won the award for “Best New Artist.”
Later in 2000, Aguilera first emphasized her Latin heritage by releasing her first Spanish album, Mi Reflejo on September 12, 2000. This album contained Spanish versions of songs from her English debut as well as new Spanish tracks. Though some criticized Aguilera for trying to cash in on the Latin music boom at the time. The album still managed to peak at #27 on the Billboard 200 and number one on the Latin album charts. In 2001, it won Aguilera a Latin Grammy Award for “Best Female Pop Vocal Album.” The album went Gold in the US and sold 3 million worldwide. She also won the World Music Award as the best selling Latin artist that year. Aguilera also released a Christmas album on October 24, 2000 called My Kind of Christmas. It peaked at #28 on the Billboard 200, and has been certified Platinum in the US. Ricky Martin asked Aguilera to duet with him on the track “Nobody Wants to Be Lonely” from his album Sound Loaded; released in 2001 as the album’s second single, which reached #1 on the World Chart.