They say that you only celebrate a 50th birthday once, so when it happens, you might as well make it as memorable as possible.

Italian automaker Lamborghini->ke44 is in the middle of its 50th anniversary celebrations and since the start of the year, it's celebrated it with the kind of extravagance befitting of its stature in the industry.

Recently, things took an interesting turn in the United Kingdom->ke176 when the UK Lamborghini 50th Anniversary 50th Anniversary Tour officially opening its doors to the public.

Held at the Danesfield House in Buckinghamshire, over 50 Lamborghinis participated in the event with models ranging from the classic Countachs->ke387 all the way to the current Aventador Roadsters->ke3624. In between, there were Murcielagos->ke1267, Diablos->ke376, Gallardos->ke375, and even the one-off Oakley Design Aventador LP760 Nasser Edition.

Needless to say, it was as close to a Lamborghini overdose as you could possibly get, and not surprisingly, Shmee150 was right in the middle of all the festivities with cameras in tow.

(Click past the jump to read about one of Lamborghini's anniversary edition models, the Aventador LP720-4 50° Anniversario pride and joy}

2013 Lamborghini LP720-4 50° Anniversario

Lamborghini kicked off its 50th anniversary celebration with the unveiling of a special Aventador LP720-4 50° Anniversario -- a model that will be limited to only 100 units.

When compared to the standard Aventador this version delivers an extra 20 horsepower, giving it a total of 720 horsepower. The engine is mated to an faster-shifting ISR transmission. The supercar sprints from 0 to 60 mph in just 2.9 seconds and up to a top speed of 217 mph - the same as the standard version, so the extra 20 horsepower is more just for bragging rights.