Mariah Carey is that diva who does not like to associate the word ‘old’ with herself. The singer and songwriter delivered a light and subtle shade to Shawn Mendes, after his mention of her name and music earlier this week. Mendes had taken to his social media, to name-drop little things that make him feel … “Mariah Carey Apparently Shaded Shawn Mendes After His ‘Old Mariah Carey Songs’ Complement”