McCartney, Gervais, Pink Promote Anti-Fur at Paris Fashion Week

03/09/2009 AT 02:35 PM EDT

Fashion and politics? Furrrr-gettaboutit!

Last Saturday, guests arriving at Jean-Paul Gaultier's fashion show in Paris were met by a picket line of anti-fur protesters. Then on Monday, singer Pink and designer Stella McCartney joined forces to premiere PETA's latest campaign ad: a mixed live-animation spot designed to discourage fur and skin use in fashion.

With an early morning celebrity audience – including McCartney's father, Sir Paul, and girlfriend Nancy Shevell; Salma Hayek and husband Francois-Henri Pinault; Charlotte Casiraghi; Kanye West, and actress Thandie Newton – the younger McCartney presented her Fall-Winter collection and then, with Pink, unveiled PETA's latest ad. The spot features Pink doing the voice of an alligator and Ricky Gervais doing the voice of a bunny.

In the ad, the two portray bloody animals who have been "skinned" and are trying to get their "coats" back from two fashionistas lingering at a coat check counter.

"It's a little tough," said one audience member. "It isn't everyone's taste – but the images of a so-called, fashionably well-dressed couple wrestling a skinned cartoon bunny for his pelt is kind of funny. It raises the question in a new way."

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