CumCannon said:
Aged up is fine imo, especially if they're actually aged up. Like, if they're 7 and you add a centimeter to their height and make the hair a bit longer, not cool. But if they're obviously much taller and more filled out, then it's all good, since they're...well, aged up.
The thing that always makes me wonder is the characters who are young looking, but are mentally adults. The characters with this is usually vampires. They'll be tiny and young looking, but mentally like a thousand and are mature adults.
Of course then you get characters like Kanna from the dragon maid show, where she's a couple hundred but comparable to a kindergardener, and you find people who are like "well she's humanly hundreds of years old", but yeah, that's not cool
tldr: Aged up is fine if they actually ARE aged up, and mental age makes a huge difference as well, but that's another topic
that's the weird thing you see some art of characters [example being amy from sonic] who like she is aged up but the tag is never added...