This list wouldn’t be complete would Britney’s ringmaster costume. The singer wore the outfit throughout her The Circus Starring Britney Spears tour in 2009. Her look featured a red tailcoat ...

By 2009, Spears had already rocked several iterations of the sparkly naked ’fit. During The Circus Starring Britney Spears tour, she harkened back to the iconic style with a flesh-toned bodysuit ...

Britney Spears proved you don't need fancy equipment or dedicated gym attire to get a good workout in. The 41-year-old pop star runs her workouts just like a circus, with all eyes on her.

9. “Circus” “Circus” ushered in a rebirth for Spears’ career in 2008. The music video covers all the typical Spears talking points: heavy choreo, glitzy costumes and a crowded house party.