Happy Flashback Friday, M Girls! Today, we're doing something really different. We're flashing back to all your favorite stars' childhoods and revealing the secret nicknames they had as kids.
Are you dying to know what the kids in Harry Styles' class called him in elementary school? Did you know Ariana Grande had a special nickname that only one person called her while she was growing up? Lucky for you, M has all the answers!
Click through to find out your fave stars' childhood nicknames! Then leave us a comment: Which one surprised you the most and what was YOUR nickname as a kid?