(WENN) - Katy Perry stunned fans by making a surprise appearance at a sneak preview of her new movie in London on Thursday.
The pop star showed up unannounced to introduce Katy Perry: Part Of Me to a theater full of excited youngsters in the British capital. She told the crowd, "Hey, hello! Is it alright that I'm here? We're going to watch my movie!" before popping on a pair of 3D glasses and taking a seat in the middle of the cinema.
Perry also posed for pictures with fans and handed out popcorn to the audience.
Check out the video:
The singer posted a picture of herself sat in the cinema on her Twitter page and wrote: