Stavros NiarchosStavros NiarchosThere's a reason why certain TV shows warn you off from trying their antics at home.

And that's because they are dangerous.

But some people just never listen...

Stavros Niarchos, former flame of Paris Hilton, joined the heiress for a spot of partying in Beverly Hills.

And the heady joy of the bash must really have got to him, as he decided to mount the roof of Paris' motor (driven by someone else) and make like Spider-Man...

We're presuming from the snaps that the vehicle was stationary - but nevertheless, it's still not the safest way to get home.

See the full story, in a cartoon strip style, in the gallery above.