Circus

Circus (2008) is the sixth studio album by American singer Britney Spears. It was released to coincide with her 27th birthday on December 2, 2008, in the United States, by Jive Records. Transitioning from the "darker and more urban" themes of her fifth studio album Blackout (2007), Spears wanted to make her next project "a little bit lighter".

In the United States, Circus debuted atop the Billboard 200, with first-week sales of over 505,000 copies. It registered the second biggest debut-week sales of 2008 for a female artist, only behind Taylor Swift's Fearless. The album spent nine weeks within the top ten, making it Spears's longest-running top-ten album since Oops!... I Did It Again (2000), which spent 23 weeks inside the top ten. It was certified platinum by the Recording Industry Association of America (RIAA) on January 29, 2009. The album placed sixth on the year-end Billboard 200 for 2009.According to Nielsen SoundScan, the album had sold 1.7 million copies in the US by March 2015.