"I always try to tell myself and remind myself why I'm still here and why I'm needed to be here. And something I contradict ...
She was on hand to lead an all-star tribute to her friend, whose husband of nearly 60 years died just weeks ago.
"She’s the most charismatic human being alive," said Merle Haggard of Dolly Parton. "She’s Marilyn Monroe with a guitar.