Robin Roberts had a difficult night she had to get herself ready for, and she has taken fans along on the process as she mourns the death of a good friend.ALSO: HELLO! launches Jubilee T-shirt collection to celebrate Queen Elizabeth in styleSince Naomi Judd's passing at the end of April, Robin has taken to Instagram to share heartfelt tributes to the late country star, as well as sending her condolences to her daughters, Ashley and Wynonna Judd.Now the star revealed she was partaking in an emotional – albeit beautiful – part of the grieving process, honoring the singer with a television special celebrating her life.WATCH: Robin reveals latest career milestoneMORE: Robin Roberts shares emotional family update on Mother's DayRobin was one of many celebrities and artists who participated in the live-streamed memorial, which was titled "Naomi Judd: A River of Time."She captioned a picture of her preparations for the ceremony with: "Back in my dressing room. Rehearsals from all the artists were absolutely beautiful.