Nicole Richie has lost a camera containing nude pictures of her and her friends, and is terrified they could be leaked.

Richie was partying at a Hollywood nightclub with other celebrities, when she realised the camera was missing. It reportedly contains photographs of the star in the nude, which were taken for fun.

A source revealed: "Nicole had been experimenting and had a memory card full of sexy nude photos of her and a lot of friends. They'd be embarrassed if they got out.

"They were having fun and then suddenly she's freaking out after she realizes the camera's gone. Immediately, Nicole demanded the bar staff shut off the karaoke, turn on the lights and get everyone to search for the camera."