The worst advise you can get on guns comes from either the police, the gun range employees and instructors, or a lawyer.
There is a link on this site that is for hand gun laws across the country.
Do not rely on others for this kind of information! Look it up in your own state laws.
I live in Michigan and I have had her purchase her own firearm. So I guess the point is moot. I will check the Michigan Laws, but don't remember that information being there the last time I read over them. It has been a while though so a refresher would be good.
Once she has her CPL, it's ok for her to carry ANY registered pistol. Yours, hers, mine. Doesn't matter. Without a CPL she could ONLY open carry a pistol registered to HER.