Kevin Costner was left shocked after his wife Christine Baumgartner filed for divorce.
The 68-year-old actor is thought to have been "very surprised" by Christine's decision, with a friend saying Kevin seems unaware what the reasons are for their divorce.
There has been speculation that Christine gave Kevin an ultimatum before filing for divorce as she's said to have urged him to quit Yellowstone to try and save their marriage.
Rumours also started to swirl that Kevin had cheated on Christine, however, a close friend shut down the speculation and said: "There was no issue of cheating at all."
Kevin and Christine had last been seen together at the Oscars in March as they posed for the cameras together.
"Kevin was very surprised by Christine’s actions, he obviously doesn’t want the divorce and he would take her back.
"It’s disappointing, he loves her and he loves his children," the family friend told Page Six.
They added how they're unsure "if Kevin even knows what the reasons are."
The couple, who tied the knot in 2004, share three children together - Cayden, 15, Hayes, 14, and daughter Grace, 12.
Kevin's representative also told the publication that the cheating speculation is "absolutely not true".
Kevin's publicist Arnold Robinson confirmed the split, saying: "It is with great sadness that circumstances beyond his control have transpired which have resulted in Mr. Costner having to participate in a dissolution of marriage."
The news comes amid speculation Kevin is 'not returning' to his role as John Dutton in Yellowstone.
The fifth season began airing in November last year, with its first half having concluded in January this year. The second half of the latest season has yet to be released.
There had been reports in recent months speculating over the show's future amid claims there was tension between Kevin and showrunner Taylor Sheridan, 52.
And now it's been reported that Kevin won't be returning to Yellowstone after the fifth season, according to sources 'close to the production' who spoke to Entertainment Tonight.
It however remains unclear whether the outlet means that he will feature in the remaining episodes of the second half of the season or whether he won't have filmed any.
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