Britney Spears' Circus tour hits New York City. This photo of Spears shows her in what appears to be military attire.
Spears is ranked as the eighth best-selling female recording artist in the United States with 32 million sold albums certified by the Recording Industry Association of America and one of the world's best-selling music artists having sold an estimated 85 million records worldwide. Spears also holds the title to multiple Guinness World Records.
