Wynonna Judd tweeted: "Oh my! Mindy. Dear sweet girl. This is so sad. It just breaks my heart what addiction continues to take from this life. Addiction is a dis EASE & not a character flaw. When the pain becomes too much, it causes people to want that pain to stop. This is just so Unbelievable & so sad. God be with the family & those babies. Surround them with your grace & mercy. Sleep in Heavenly peace Mindy."