"There's never going to be another show like this, so just enjoy it," the singer said into the microphone as security removed the stage crasher.

A fan ran up on stage during Katy Perry’s "The Lifetimes Tour" stop in Sydney, at least four security guards removed the intruder from stage. NATO ally scraps purchase of US Black Hawk helicopters Diver has close encounter with huge sunfish Dave Ramsey sends major message to Americans on IRAs,