United Kingdom, Oct. 18 -- Nicole Kidman is said to be focusing on "family and work" after filing for divorce from her husband of 19 years.

The 58-year-old actress has dramatically split from country singer Keith Urban, 57, and sources have now told People magazine the Oscar-winner is "surrounded by the two things that matter the most to her - her family and her work".

Now back in Nashville following a recent trip to Europe, she is said to be "keeping it positive".

The source added: "She isn't someone who dwells on regrets - she believes everything happens for a reason."

News of the couple's separation broke on 29 September, and court documents confirmed that Nicole filed for divorce the following day, citing irreconcilable difference...