United Kingdom, Aug. 29 -- Billy Ray Cyrus' heart is "broken" after the death of Dolly Parton.

The 65-year-old Achy Breaky Heart hitmaker was close friends with the late country icon, who died recently at the age of 80, and Billy admitted he will now think of life as Before Dolly and After Dolly.

He shared a picture of them together on Instagram and wrote: "Rest in Peace Miss Dolly. This is the last performance she and I did together in Dollywood for her Christmas special. We sang Christmas Where We Are!

"What most people don't know is Dolly moved the entire film schedule shoot date because my mom Ruthie had passed away. Dolly Parton. You have touched the hearts of the world. You have made your mark and made it well. A shining light th...