Shania Twain is native through adoption, not really ethnicity. Her adopted father was part of the Objiwa tribe. She’s never made it a central point to her identity and received income from her claim.
Buffy used her deception to make millions, to give her street cred in folk music.
He actually DID have Indian heritage.
Even though he was bald and had blue eyes.
RE: Shania Twain.
A side point.
Data on alleged ideals of female beauty were once fed into a computer and the result was Shania Twain rated by the computer as the most beautiful.
An earlier computer chose Jessica Alba.