PETA sure knows how to have a good time, when they're not being super-devoted and taking serious the plight of animals large and small, I mean.

To wit: the newest naked celeb ad featuring Kristen Johnston.

The actress (was she not brilliant, if not a little female Chris Farley-ish, as the party girl who plunges to her death on the Sex and the City episode where Carrie takes that stuffy Aleksandr Petrovsky to the penthouse party?)

 Kristen strikes a saucy pose atop a horse, naked save for her Godiva-like flowing gold locks that cover up the naughties. 

It's one of the more artful ads in the series of celebrity stripping for PETA. This time around the cause is the horse carriage industry. The campaign launches as New York City council member Dan Garodnick aims to phase out horse-drawn carriages in a new bill. He proposes that eco-friendly "horseless carriages" - replicas of the classic Ford Model T - will replace the outdated horse-drawn carriages."

Wha? Ford Model T carriages? 

If it means these majestic creatures, that belong in pastures and not on say,  9th Ave in Hell's Kitchen, get a break, then, by all means, beep beep and beep beep, yeah!