Machine Gun Kelly Debuts Upper Body Blackout Tattoo For Spiritual Purposes

Machine Gun Kelly has unveiled his most dramatic tattoo yet -- a layer of solid black ink across almost his entire upper torso ... and yes, we've confirmed it's the real deal. The rapper dropped his new look on IG Tuesday ... and you can see that the black ink saturates virtually half of his upper body ... with some of his OG inkings peeking through strategically placed paneled gaps down his arms and in between a…