Katy Perry, the voice of Smurfette on the new Smurf's movie, wore a bedazzled Smurfette dress to the premiere on Sunday in New York City. Of course Katy tweeted about the event, “Headed to SMURF VILLAGE for the premiere of The Smurfs!!! I’m SMURFETTE!!! I’m blue… aba de aba die aba de aba di aba de aba di! YAY!"