Britney Spears - Circus

Genre: pop

About the song:
"Circus" is the second single from Britney's sixth studio album of the same name. The song was written and produced by Dr. Luke and Benny Blanco. Confirmed by her manager Larry Rudolph, Francis Lawrence, who previously directed Spears's video for "I'm A Slave 4 U" as well as the 2007 film "I Am Legend", directed the music video. PETA has criticized the music video, which they claim uses cruelly-trained lions and elephants.
Source: Wikipedia

Music charts status prediction:
USA: TOP HIT (#1)
EUROPE: MAJOR HIT (TOP 3)
WORLDWIDE: MAJOR HIT (TOP 3)