Video: Katy Perry's Date For the Grammys Is Not John Mayer - It's Allison Williams! Girls' Night!

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Video: Katy Perry's Date For the Grammys Is Not John Mayer - It's Allison Williams! Girls' Night!

Video: Katy Perry's Date For the Grammys Is Not John Mayer - It's Allison Williams! Girls' Night!
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Video: Katy Perry's Date For the Grammys Is Not John Mayer - It's Allison Williams! Girls' Night!

by Sugar Videos 1:46 mins

Star of HBO's hit Girls, Allison Williams revealed on Anderson Live that she will be Katy Perry's date for Grammy night. We have all the details!

Star of HBO's hit Girls, Allison Williams revealed on Anderson Live that she will be Katy Perry's date for Grammy night. We have all the details!">
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