When prepared properly, the ingredients separate into three distinctly visible layers (due to their relative densities).

The origins of the B-52 are not well documented, but one claim is that the B-52 was invented by Peter Fich, a head bartender at the Banff Springs Hotel in Alberta, Canada.

The drink became a North London favourite in late 2009 when Arsenal striker Nicklas Bendtner changed his shirt number from 26 to 52, earning himself the nickname "B52" in the process.

Just as carefully, Grand Marnier is poured atop the Irish Cream using the bar spoon.

The Triple Sec will not ignite easily at room temperature, so it is sometimes warmed up before use or topped with a small layer of an overproof[clarification needed] rum with 65–85% ABV such as Bacardi 151 or Stroh 160.