United Kingdom, March 30 -- Keith Urban is "doing great" following his divorce from Nicole Kidman.

The 58-year-old country singer split from the Big Little Lies star last year after almost two decades of marriage and, three months after their divorce was finalised, Keith's friend Russell Dickerson has revealed the Blue Ain't Your Color hitmaker is in "good spirits".

Noting he didn't get to spend "tons of time" with Keith at the Country to Country festival in March, Russell told the New York Post newspaper's PageSix column that his pal "seemed in good spirits" and has been focusing his attention on his music.

He added: "He's always been focused on music, and so I think he's just kind of doubling down on that, and it's just beautiful. I ...