Katy Perry Surprises Fans At Part Of Me 3D Screening In London - Video

8 June 2012, 14:08 | Updated: 8 June 2012, 15:42

The 'Firework' singer handed out popcorn and watched her 3D concert movie with a group of fans.

Katy Perry surprised fans in London last night (8th June) when she arrived unannounced at a preview screening for her new 3D concert movie.

The 'Teenage Dream' singer will release her film Katy Perry: Part Of Me 3D worldwide on 5th July, and introduced the film at an intimate fan screening at the Apollo Cinema in London.

"Had tons o'fun in London today at a surprise screening," Katy tweeted yesterday. "Wish I could sit w/ all of u when u see #KP3D."

The 'Part Of Me' singer sat and watched her film with fans, as well as handing out popcorn and snacks to the audience. 

Katy Perry: Part Of Me 3D follows Katy across her 2011 'California Dreams' world tour, and will also feature revealing footage from the star's personal life.

Katy Perry is set to perform at the Capital FM Summertime Ball 2012 this Saturday (9th June) at Wembley Stadium, where she will share the bill with artists including Usher, Justin Bieber, Kelly Clarkson, Conor Maynard and Pitbull.

Watch a video of Katy Perry surprising her fans at a London screening of Katy Perry: Part Of Me 3D below:

View a picture of Katy Perry watching her 3D concert movie with fans in London below (Credit: Twitter):