The trailblazing country star whose song, “Coal Miner’s Daughter” became not just a hit song but an award-winning movie has passed.

A rep says Lynn passed away at her Tennessee ranch Tuesday morning … the rep says Loretta died from natural causes and was surrounded by family.

Loretta is a true legend … nominated 18 times for a Grammy, and won 3. She’s amassed an incredible 21 number 1 singles and 11 number one albums.

Loretta was 90.