Machine Gun Kelly had a very specific vision in mind when he came up with his idea for Megan Fox's engagement ring.After less than two years of dating, the musician and the star took their relationship to the next level when the rocker popped the question last Wednesday with a special engagement ring filled with meaning and symbolism.Speaking with recently, Kelly — whose real name is Colson Baker — detailed the gorgeous two-stone sparkler.«It’s a thoroughbred Colombian emerald, with no treatment. It was just carved into the teardrop, straight out of the mine,» Kelly shared.