Actress and model Pamela Anderson has teamed up with People For The Ethical Treatment of Animals (PETA) to star in the charity's new ad, posing naked and recreating Alfred Hitchcock's Psycho shower scene - shot by David LaChapelle - to campaign against the meat trade's water waste.

Anderson commented 'Rivers are siphoned off, not just for the animals but also for crops grown to feed animals on factory farms. Producing one pound of beef uses as much water as about six months of showers'.