Britney Spears and dancers
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Britney Spears begins Las Vegas residency

28 December 2013 Last updated at 15:08 GMT

Singer Britney Spears has begun her two-year residency at the Las Vegas Planet Hollywood Resort and Casino.

The pop star has signed-up to perform 50 shows in 2014 and 2015, with around 4,500 people attending her first concert.