The Californian singer stormed the charts with her debut single ‘I Kissed a Girl’ in 2008, which went on to top international charts. Katy Perry has since grown an army of fans worldwide with her second, third and fourth releases ‘Hot n Cold’, 'Teenage Dream', 'California Gurls' and 'Firework', all of which topped the charts in the US Billboard Hot 100. WinkBall video reporters Dean and Flaminia were at Wembley Arena for the last gig in the Europe section of her 'California Dreams Tour'. We asked the fans what they love about Katy Perry, for their highlights from the gig and who they would like to see the artist collaborate with in future! What do YOU think? If we missed talking to you and you were at the gig record a wink and share you're thoughts to this wall on WinkBall.com!