WATCH: Journalist accidentally slaps Nicole Richie in the face during interview

Thankfully Richie saw the funny side of the things as the blonde reporter went to apologise.

Our worst nightmare has just been realised by one American journalist as she accidentally slapped a celebrity in the face during an interview.

The unfortunate incident happened to Cat Greenleaf of Talk Stoop, LA as she was sitting down to chat with Nicole Richie.