Popsugar Celebrity Katy Perry Katy Perry's Halloween Birthday Party 2016 | Pictures Katy Perry Takes It All the Way Back to the '50s For Her 32nd Birthday Party October 30, 2016 by Monica Sisavat Solís View On One Page Photo 4 of 7 ADVERTISEMENT () Start Slideshow 💃Comin for you💃@katyperry #BirthdayGirl 🎂 A photo posted by Kate Hudson (@katehudson) on Oct 29, 2016 at 9:19pm PDT Share This Link Copy ← Use Arrow Keys → 4 Kate Hudson as a Sock Hop Girl Previous Next Start Slideshow Katy PerryHalloweenCelebrity InstagramsHalloween CostumesSexy Halloween CostumesGroup Halloween CostumesPop Culture Halloween CostumesCelebrity Halloween Costumes