Thanks for posting her in that dress! I was able to find out that she's a Jakks Pacific Holiday doll; I guess their answer to Mattel's holiday Barbie? If you type that in on Ebay you'll see a bunch though most have painted eyes not the inset. (Couldn't find your particular one).
I found this same girl last summer, well, her head anyway:P Her hair was crazy and cut in some spots and someone had glued her head to a Barbie body with a knock off dress. Been trying to figure out who she was but kept coming up with the dang Starr model dolls so thanks for posting yours!
That is so weird! From what I can see, the body is exactly the same as a Barbie body! Maybe the original owner, who seemed to be a creative child by your description, did something to the body and then regretted it?
She's such a nice quality doll! Did you customize your doll? I'd love to see pictures if you did!
I was thinking about emailing Jakks directly. I highly doubt they'd know, but it's worth a shot!