Dolly Parton's sister has updated fans on the country music legend's condition amid a mystery health battle. The Jolene hitmaker's younger sibling, Freida Parton, 68, worried fans earlier in the day when she asked for prayers for the 79-year-old icon. Her plea came after the singer postponed six shows from her upcoming Dolly: Live in Las Vegas residency, sparking concern about Dolly's wellbeing.