Today Katy Perry turns 29, undoubtedly celebrating with a giant tiger cake and a brand new cronut bra.
The pop star is known for her hit songs and candy-colored (and possibly flavored) outfits, but she also has a knack for not taking things too seriously, judging by her constant steams of silly face.
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And you too can be as easy going as Katy, with or without the purple hair.
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