VMAs 2014: Katy Perry and Riff Raff Pull a Britney Spears and Justin Timberlake

Britney Spears and Justin Timberlake a la the 2001 American Music Awards, anyone?

Look back: Britney Spears and Justin Timberlake's Most Iconic Red Carpet Moment

Justin Timberlake Vmas 2001 For Wholesale

Katy Perry And Riff Raff Channel Britney Spears And Justin Timberlake At 2014 MTV VMAs

Justin Timberlake Looks Back On His Matching Denim Moment With Britney Spears

Britney Spears Admits Her Denim AMAs Gown Was Tacky

Katy Perry, Riff Raff rock all-denim à la Britney, Justin

Katy Perry rocks 'throwback' look on MTV Video Music Awards red carpet

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Katy Perry's All-Denim Ensemble Is A Britney Spears Justin Timberlake Throwback – Billboard

MTV VMAs 2014: Red carpet looks at this year's Video Music Awards accented stars' assets – New York Daily News

Katy Perry and Riff Raff Paying Homage to Justin Timberlake and Britney Spears's Denim (2014), 74 of the Most Unforgettable Moments From the MTV VMAs

Katy Perry's All-Denim Ensemble Is A Britney Spears Justin Timberlake Throwback – Billboard

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