Last night, the Infiniti Essence Concept visited the Louis Vuitton store in Troy, Michigan's Somerset Collection mall. The $2.4 million concept mixed it up with trophy wives and spikey-haired "Nouveau riche" during a champagne and hors d'œuvre-laden soiree.

An "Easter egg" is an intentional hidden message, in-joke or feature. We've noticed fun little buggers in the design of quite a few new vehicles. Here's our list of the ten best.

Kanzashi Hairpin Side Vent

So Louis Vuitton can make bags for a pretty non-existing car. Cool. How about making bags for an ugly non-existing car which is way faster?

Judging by the concepts and production cars making their debuts in Geneva this week, the auto industry hasn't noticed the Carpocalypse, bringing out supercars, exotics and mega luxury vehicles. Here's everything from day one.

When we heard the Infiniti Essence Concept would feature custom Louis Vuitton bags, we made fun of it. A lot. But the car's now debuted at the Geneva Motor Show and it's gorgeous. Seriously.

We knew Infiniti planned to debut a concept developed with European premium goods maker Louis Vuitton at the 2009 Geneva Motor Show. What we didn't know is it would be called the "Essence" concept.