“Me and Bonnie secretly did some background vocals on that song,” Perry said. “So maybe listen for our voices.” Here’s hoping the two pop stars will collaborate on a duet in the future — and, well, hopefully become BFFs.
View their twitter exchange below, and brace yourself for cuteness overload.
— Britney Spears (@britneyspears) July 28, 2013
[via E! Online]