Britney Spears' sixth studio album, Circus was released in 2008, and also debuted at number one on the Billboard 200 albums chart with the hit single "Womanizer" which became Britney Spears second single to peaked at number one in Billboard Hot 100 since her debut single, nearly 10 years later. In late 2009, Britney Spears released The Singles Collection which includes her third number one hit single in the United States entitled "3".