12/13/2007 at 07:00 AM EST
is mixing business with charity as she poses nude to launch an initiative to bring drinking water to drought-ravaged regions.
The 26-year-old heiress is in Berlin
to shoot an ad
campaign for RICH Prosecco and for each can of the sparkling wine sold, she will donate to the
RICH Water Foundation, the online edition of the news magazine Der Spiegel
"It is important to give back if you have been as blessed as we have," Hilton told the magazine, adding that she is concerned people in parts of the world don't have enough water. "A lot of people don't realize that many people don't even have running water in their homes."
The socialite-turned-actress – next up in Repo! The Genetic Opera!
– is certainly doing her part to raise awareness on the issue. In images for the new RICH Water Foundation, she poses naked, wearing only a coat of glittering gold paint, as she crawls across the parched desert.
According to RICH founder Guenther Aloys, the organization plans to ship icebergs to desert regions and distribute the melted ice water to the thirsty.