Selena Gomez's Halloween Costume Revealed -- EXCLUSIVE

Selena Gomez is going to be wearing a blue wig and ice cream bikini come this Halloween season!
“I’m going to be Katy Perry for Halloween,” the 18-year-old rising pop princess revealed during JustJared.com’s live chat on Monday (September 20). “It’s the ‘California Gurls’ [music video] outfit with the blue hair. I’m so excited.”
During the chat, Sel also revealed that she loves British singing sensation Cheryl Cole (read: obsessed) and that Brittany (Heather Morris) is her favorite character from Glee.
When asked about pranks, Sel revealed she TP-ed someone’s house. “[I did it to] someone who wasn’t nice to me,” she admitted. Who could possibly be mean to the nicest girl on the planet?!