Machine Gun Kelly and Megan Fox are marking the next step in their romantic relationship with new ink! The happy couple shared their new adorable matching tattoos, located on their respective ring fingers, as a celebration of their engagement.The rapper, who recently sparked pregnancy rumors with the actress, after performing at the Billboard Music Awards and dedicating his song to their “unborn child” and his “wife,” is now celebrating his fiance’s birthday with new voodoo doll tattoos.“Wishing the happiest birthday to my ethereal light being. i love you maki,” he wrote on Instagram, posting a photo of their new tattoos.