A Perry Cool Surprise By Author Kay Rhodes Published: Apr 17, 2010 at 10:12 AM • Updated: May 09, 2022 at 5:20 AM • Category Katy Perry Reading Time: < 1 minute During an April 2010 concert, Taylor Swift and her fans received a great surprise on stage: Katy Perry came out to sing! https://www.youtube.com/watch?v=UNNFFeyJnk8
