By A Mystery Man Writer
Britney Spears and Justin Timberlake a la the 2001 American Music Awards, anyone?
Katy Perry Was Challenged by Britney Spears to Do an Impersonation
Katy Perry Dressed Up Like All-Denim Britney Spears
Katy Perry's All-Denim Ensemble Is A Britney Spears Justin Timberlake Throwback – Billboard
Katy Perry And Riff Raff Channel Britney Spears And Justin Timberlake At 2014 MTV VMAs
Katy Perry Riff Raff Jean
Katy Perry, Riff Raff rock all-denim à la Britney, Justin
Katy Perry pays homage to Britney Spears and Justin Timberlake with custom denim ensemble at MTV VMAs – New York Daily News
24/7 friendly Customer Service VMAs 2014: Katy Perry and Riff Raff Pull a Britney Spears and Justin Timberlake – The Hollywood Reporter, justin timberlake 2000
Justin Timberlake Looks Back On His Matching Denim Moment With Britney Spears
Riff Raff starts random feud with Sam Smith after singer crops him out of Katy Perry Instagram picture, The Independent
How to Pull Off the All Denim Outfit