I don’t think I’ve ever seen anything quite like a Katy Perry concert before - and I mean that in the best possible way. On Tuesday night (October 15), I headed to one of my favourite music venues in ...

Add Yahoo as a preferred source to see more of our stories on Google. Katy Perry turned the stage at London’s O2 Arena into a full-blown sci-fi fantasy during her Lifetimes Tour stop, rocking a ...