New York: Hollywood actress Penelope Cruz has become the latest celebrity to join PETA's anti-fur ad campaign. The 37-year-old star has posed in an ad on a 70-foot billboard. The photo shows her turning her head to look over her bare back next to the words, 'Give Fur the Cold Shoulder'.

The advertisement is set to be displayed outside New York's Madison Square Garden and will be up throughout New York Fashion Week from February 9-16.

"Penelope Cruz has appeared on every 'best-dressed' list in the world, and the one thing you'll never see her wearing is fur. One couldn't ask for a more fitting emblem of the modern, glamorous woman who knows that there's nothing more beautiful than a woman who has a look that kills without anyone having to die for it," said PETA's Chief Functionary Poorva Joshipura.

Cruz is the latest fashion icon to speak out against fur. First ladies Michelle Obama and Carla Bruni-Sarkozy have declared that they would never wear real fur, as have stars Twiggy, Kelly Osbourne, Pink, Pamela Anderson and Eva Mendes.