Pictures of Britney Spears After Her 2011 Single Release

Britney Spears Gets Back to Work Following Her No. 1 Hit Single Success

Britney Spears Gets Back to Work Following Her No. 1 Hit Single Success

Britney Spears arrived in pink at a dance studio in LA this afternoon. She debuted her highly anticipated new single, "Hold It Against Me," on Ryan Seacrest's radio show to rave reviews yesterday, and the song shattered iTunes records as it reached No. 1 within hours of its midnight release. We got a glimpse at the sexy cover art this week as she prepped for the big day and got fans excited over Twitter. She went back online this morning to thank all of her supporters, and if the response to her latest new music is any indication, her next album is sure to be a success. She's working hard on her moves as well, though the rumor that she'll be

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