James Corden swings by Witness World Wide headquarters for a special version of his Late Late Night show segment "Spill Your Guts or Fill Your Guts." Katy ranks her best lovers and reveals the "One That Got Away."<br /><br />For more of my stream watch now LIVE on YouTube: <br />Subscribe on YouTube: <br /><br />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: <br /><br />You wanna Witness this #KPWWW<br /><br />Get 'Witness' by Katy Perry: <br /><br />Follow Katy Perry:<br /><br /><br />
