Gillian Anderson & Peter Morgan
According to reports, it's all over for Gillian Anderson and Peter Morgan.
The couple dated for four years and recently worked together on his creation, The Crown.
She played Margaret Thatcher in the latest season, which is streaming on Netflix now.
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According to MailOnline, the relationship just ran it's course.
The outlet claim work commitments and family logistics got in the way of things so they decided to split amicably.
However, the pair remain, 'great friends.'
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Gillian has a 26-year-old daughter named Piper, with her ex husband Clyde Klotz.
The actress married Clyde in 1994 before separating three years later.
She also shares 14-year-old Oscar and 12-year-old Felix with her ex Mark Griffiths.
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Gillian and Peter
In 2016, MailOnline reports she started telling friends she was dating Peter.
The Sex Education star opened up about their relationship to The Times in January.
She revealed they don't live together, and if they did, 'that would be the end of us.'
Gillian explained, 'It works so well as it is, it feels so special when we do come together.'
'And when I am with my kids, I can be completely there for them. It's exciting.'
'We choose when to be together.'
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The actress said, 'There is nothing locking us in, nothing that brings up that fear of, ''Oh gosh, I can't leave because what will happen to the house, how will we separate?'''
'I start to miss the person I want to be with, which is a lovely feeling.'
Gillian added, 'And it is so huge for me to be able to see a pair of trousers left lying on the floor at my partner's house and to step over them and not feel it is my job to do something about it!'
In fairness, she makes a very good point.
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Gillian and Peter haven't commented.