Circus is the sixth studio album by Britney Spears. Jive Records, in collaboration with Zomba Label Group and Sony Music Entertainment, released it on November 2008.
According to Wiki, The album’s first single, “Womanizer”, became Spears’s first number one single on the Billboard Hot 100 since her debut “…Baby One More Time”, almost 10 years prior.[4] The second single, “Circus”, debuted at number three on the Hot 100 chart.
Click here to watch Britney Spears – Circus video