Katy Perry in two outfits

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Katy Perry in a swimsuit

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Christina Aguilera in black and white

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Christina Milian portrait

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Avril Lavigne in a bubble chair

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Katy Perry with giant ice cream

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Britney Spears holding cloth

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Avril Lavigne sitting on a windowsill

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Avril Lavigne portrait

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Selena Gomez promotional photo

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Taylor Swift promotional photo

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Taylor Swift promotional images

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Dannii Minogue in a stylish pose

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Christina Aguilera in white outfit

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Christina Aguilera portrait

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Christina Aguilera on a scooter

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Christina Aguilera in sparkly boots

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Christina Aguilera in studio

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Christina Aguilera in blue top

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Christina Aguilera performing

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