Katy Perry knows how to have fun at a party.
The New York Post reports Katy held a birthday celebration for her stylist, Johnny Wujek, Saturday night at a roller rink in Glendale, California. She brought Beanie Babies to the rink and tossed them at other skaters as a gag.
Actresses Zoe Saldana and Amber Heard were among the other celebrities at the bash.
Copyright 2012 ABC News Radio