"we firmly believe Gwen Stefani had laid down the groundwork for the Fergies, GaGas, Perrys and to some extent Minajs of the world; injecting the reality that “crazy” is cool and outrageous can be fun"

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Well, I firmly believe CINDY LAUPER is the one who started this.

Katy Perry once said something like "Maybe I will never be like Beyonce but I hope I can be like Cindy Lauper".