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the first popular song Katy Perry published was called "Ikissed a girl"
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between 2010-2011 she published Teenage dream wich was a number one hit
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she published two singles that were really popular, "part of me" and "wide away"
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she published her album prism and participed in a movie by making the voice of one of the characters
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katy performed at the super bowl making an incredible show
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She was at the golden globes !
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she worked into a new single called changed to the rythom and then made a song with nicky minaj called swish siwsh
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katy perry recently said she was happily expecting a baby!
