The album's second and third singles, "Burn" and "Confessions Part II", also topped the "Billboard" Hot 100, the former for eight weeks. Usher became the first artist to top the "Billboard" Hot 100 Airplay with four consecutive number-one singles, In September 2004, "My Boo", a duet with American singer-songwriter Alicia Keys, also peaked at number one at the "Billboard" Hot 100, becoming the album's fourth number-one single. In December, the album's final single "Caught Up" peaked at number eight on the Hot 100.