Pamela Anderson
Pamela Anderson strips down in a new ad for PETA. Pictured: Anderson arrives at the World Music Awards in Monte Carlo, May 27, 2014. Reuters/Eric Gaillard

Pamela Anderson is 47 but she still makes news whenever she strips naked for a cause. This time, the former “Baywatch” star has re-enacted the shower scene from “Psycho” in an ad for PETA (People for the Ethical Treatment of Animals). The actress shows off her toned body and legs in the advertisement.

“Meat and dairy farms drain half of the country’s water,” says the message alongside the picture. It also requests people to “make a splash for the environment -- try vegan.” In the black-and-white photo advert for PETA, Anderson is seen standing nude in a shower, wearing just a small towel -- reminiscent of the scene in the 1960 Alfred Hitchcock-directed thriller.

The ad campaign is titled “Make a Splash For the Environment -- Try Vegan” and will be shown by Anderson on "The Ellen DeGeneres Show" on Thursday. The ad, which was photographed by David LaChapelle, encourages people to cut down on long showers and stop eating meat if they aim to save water. The message is expected to strike especially hard in California, which is experiencing a water crisis because of drought conditions in recent months.

“Rivers are siphoned off, not just for the animals but also for crops grown to feed animals on factory farms,” Anderson said in a statement. The actress added that "producing one pound of beef uses as much water as about six months of showers." In a statement on its website, PETA says that even a 10-minute shower averages approximately 40 gallons of water.

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