Kim Kardashian's very lucky daughter North West made an impromptu appearance at the latest night of Katy Perry's Las Vegas residency, after the pop superstar invited her on stage.
The mum-of-four and North had flown to Sin City along with North's friends for the special show, but they got more than they bargained for when the nine-year-old was asked to make a guest appearance in the show.
During the pop star's Las Vegas residency PLAY at Resorts World on Saturday night Katy noticed that North was in the audience ask invited her to join her.
