Are we on the verge of welcoming another high-profile rap couple into the world? For months, the sexual tension between Mulatto and Key Glock has been sending social media sleuths into a tizzy as they try and figure out whether the two rap stars are hooking up. They've re-posted each other's lyrics, commented on one another's posts, and dropped more than enough hints that they could be together, and now fans are wondering whether they've taken the next step and are ready to declare themselves a couple.