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Rihanna and friend Katy Perry take to Twitter after Rihanna's $8000 strip club trip in Miami. Supposedly one of the attendants of this crazy trip included Katy Perry. Katy says on her Twitter " erm I was in L.A  Saturday night ...Should I be proud or offended I wasn't invited?" at #WHOISTHISDOPPLEGANGER. Rihanna responded  @katyperry" errm I wasn't ! Lol! #Miaminights.....howevvvvvvverrr I'll still let you spank me."  The craziness continues.

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