Shania Twain reacts to Dolly Parton's shocking death: 'My mentor is gone'

Shania Twain reacts to Dolly Parton's shocking deathShania Twain is mourning the shocking death of her "mentor" Dolly Parton.Taking to her Instagram handle on Tuesday, the 60-year-old Canadian singer expressed her grief over the death of the iconic singer."Dolly was pure light sent from heaven. My...