A few suggestions come to mind. I would say a name tag for work, an athletic team jersey, family reunion t-shirt, identification badge, and uniform.
jacket, nametag, shirt, jewlery, belt, jersey
Yes, of course you can wear plaid.
in Hawaii they wear leys
While babysitting an adult might have to clean the babys nappy!
The person is now an adult and therefore an adoption could not be "reversed' or expunged. The adult can change his or her name back to their birth name or to any other they might choose.
Turn into a baby diaper?! No that's silly. Turn into a baby? That's just as silly. If you need to wear a baby diaper, then you need to wear a baby diaper. If you want to wear a baby diaper, go for it if it fits. Maybe you should think about adult diapers, then you might turn into an adult (lol).
a scarf
Hat
A camera
A Nightie:)
ponytail pigtails bowl cut braids
superhero pumpkin ghost princess clown fairy