It's not unusual for one artist to seek inspiration from another in their work.
But Rihanna's latest music video is so similar to that of a famed photographer that she has been accused of plagiarism.
Many of the key scenes in the 22-year-old's recently released S&M video correspond with photographs by David LaChapelle.
One scene shows Rihanna 'walking' gossip blogger on a leash, while dressed in late. It corresponds with a 2002 LaChapelle image for Vogue, Aristocrats, which shows a similar scene.
The similarities were spotted by fans of the photographer, who flooded his fan pages on Facebook and Twitter with comments.
A source at his studio told celebrity blog Radar that initially fans though LaChapelle had directed the video.