Clarkson was immediately signed to RCA Records by talent manager Simon Fuller and music mogul Clive Davis after winning American Idol, and released a double A-side single "Before Your Love"/"A Moment Like This" in 2002. Upon its release, the single topped the Billboard Hot 100 chart by breaking the record for the biggest jump to number 1 in the chart's history and eventually became the best-selling single of 2002 in the United States. In 2003, Clarkson released her Thankful, which contained elements of a pop and contemporary R&B sound, became a commercial success. Its single, "Miss Independent", became her first international hit. In 2004, Clarkson parted ways with Fuller and became managed by Jeff Kwatinetz and developed a more rock-oriented sound with the release of her second album, Breakaway. The album became a critical and commercial success with its international hit singles "Breakaway", "Since U Been Gone", "Behind These Hazel Eyes", and Because of You", becoming her most successful album to date and garnering her further global prominence as a pop rock artist.