Katy Perry YouTube網紅頻道詳情與完整數據分析報告

Katy Perry reacts to music videos with friends. For more of my stream watch now LIVE on YouTube: https://www.youtube.com/watch?v=cA4_wTLDx4c Subscribe on YouTube: http://youtube.com/katyperry Katy Perry is going on tour and she's bringing her boldest stage EVER. A treat for every seat, this is your chance to WITNESS the Tour: https://www.katyperry.com/tour You wanna Witness this #KPWWW Get 'Witness' by Katy Perry: http://katy.to/WitnessWL Follow Katy Perry: http://www.katyperry.com http://twitter.com/katyperry http://facebook.com/katyperry