I've been a 粉丝 of Rosalina since I was in kindergarten, and I know a lot about her. So when Mario Kart 8 came out, a new unlockable character was in the roster. This was Baby Rosalina of course, and I bet most 粉丝 would be excited that Rosalina finally has a baby version of herself. I, on the other hand, think that there is no way she could be related to, 或者 be the past Rosalina.

She can't be the past form of Rosalina, and here's my evidence. If you're a true 粉丝 of Rosalina, 你 would've played the game Super Mario Galaxy. Once 你 unlock the kitchen, 你 also unlock another room, The Library....