Christina Aguilera and Kim Kardashian Enjoy Bikini Time

Christina Aguilera and Kim Kardashian enjoyed the sun in Miami over the weekend. They were in Florida for a friend's hen do, as Christina's Bionic went to number one in the UK chart. Having worn hot pants for her Today Show performance in NYC last week, Christina covered up in a long green strapless dress, while Kim stripped down to a bikini.

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