Who was the dark haired girl who sang with patty loveless in the 90's?

The dark-haired girl who sang with Patty Loveless in the 1990s is Alison Krauss. She collaborated with Loveless on several occasions, notably contributing to the rich harmonies and bluegrass influences in their music. Krauss gained widespread acclaim for her work, both as a solo artist and as a member of the band Union Station.