What Is The Greatest Racing Livery?S

With Williams F1 rumored pretty much confirmed to be in bed with Martini over their new chassis, and the rejoice of Formula 1 fans everywhere for their new lovechild, the question arises of whether any other classic racing livery has ever had such a dramatic effect on fans.

If I forget any liveries that you think deserve to be listed (which will probably be the case), please point them and why you think they deserve recognition, preferably with a gorgeous picture. [These should be liveries that risen from a partnership with an exterior firm, not from the racing team themselves (in order to narrow down the list)]

If you need help jogging your memory...

What Is The Greatest Racing Livery?S