Fergie's debut single, "London Bridge", was released during the summer of 2006. It reached the top of the Billboard Hot 100 chart in three weeks, the second fastest ascent in Billboard history.
Her debut album, The Dutchess, was released in September 2006 and debuted at number three on the Billboard 200 chart. Almost a year later, the album rose to number two. The album spawned five singles that peaked in the top five in the United States,
"Glamorous" with Ludacris is fergie's 3rd single from her Debut Album Dutchess and it also reached number one on the Billboard Hot 100 chart.
"Big Girls Don't Cry", with Ludacris, is fergie's 4th single from her debut Album Dutchess to reach number one on the Billboard Hot 100 chart, which made Fergie the first female artist with three number ones from one album since Christina Aguilera in 2000.
The second single, "Fergalicious" with will.i.am, and the fifth single, "Clumsy", peaked at number two and number five, respectively on the Billboard Hot 100 chart.