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Dean Geyer [ I've met him and he's mine!] or Zac Efron[HSM this and that blablaa ]

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Ahh! I have tried searching this on google and there is so many links my head hurts! -The guy that apperently killed Allison ...

What are their real names. I am just curious. The celebrities are: Lady Gaga, Eminem, Dido and the author J.K Rowling. Th...