For Katy Perry, One Sip of Starbuck's Unicorn Frappuccino Is One Sip Too Many

...And she's part unicorn.


Katy Perry, like so many others on Instagram, documented herself trying her very first Starbucks Unicorn frappuccino—while wearing the most unicorn-princess-y wig, no less—on her Instagram story yesterday.

It will also be her very last:

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