James McAvoy and Anne Marie-Duff shocked fans when they issued a joint statement announcing they are to divorce.
And the Scottish actor, 37, has allegedly formed a close friendship with his X-Men co-star Alexandra Shipp, 24,
A source told the publication: 'It’s no great secret how they’ve got close. James has been quite open among the cast
and crew that his marriage was over – and it seems he has struck up a friendship with Alex since then.
They continued: 'It’s been the source of some gossip among those connected to the film – but they’ve kept things low key.'
James was pictured at last week's X-Men: Apocalypse premiere at London's BFI IMAX placing his hands around Alexandra's waist as they shared a joke.
The American beauty takes on the role of Storm, previously played by Halle Berry in the noughties, in the latest film in the franchise.
End of an era: James and Anne Marie-Duff, 45, shocked fans when they issued a joint statement announcing they are to divorce
Hair today, gone tomorrow: The pair were in playful mood at last year's Comic-Con, where they sported matching shaved heads
It is believed the pair struck up a friendship on the set of their film amid long running marriage issues between James and Anne-Marie.
Filming for the latest X-Men installment began in March 2015 with the cast on location in Montreal, Canada.
Whilst the cast has not yet been confirmed, it is expected the pair will reprise their roles for the next film in the series, X-Men: The New Mutants.
Alexandra has previously expressed an interest in working with the franchise and even explained she would like to film a solo spin-off.
The star shot to fame as a child star, and was known for her role as KT Rush in the Nickelodeon series House of Anubis.
She later made a name for herself as the titular role in Lifetime biopic, Aaliyah: The Princess of R&B.
She is also passionate about singing and has recorded several tracks for her EP.
Making waves: The American beauty takes on the role of Storm, previously played by Halle Berry, for X-Men: Apocalypse. She initially shot to fame playing the titular role in Lifetime biopic, Aaliyah: The Princess of R&B
James is reportedly still living with Anne-Marie and the pair's relationship is amicable.
The source added: 'He and his wife are still living together and things are pretty amicable, but there was no doubt he is now single. He and Alex were certainly very tactile.'
James and Anne-Marie met on the set of Shameless over a decade ago, where they played on-screen lovebirds Steve McBride and Fiona Gallagher.
X marks the spot: James plays Professor X in the series, originally played by Patrick Stewart
They issued a joint statement which read: 'It is with tremendous sadness that we have come to the decision to divorce,' the pair said in a joint statement.
'We enter this next phase with continued friendship, love and respect for one another and the shared focus of caring for our son.
'We ask that you respect our and, most importantly, our child’s privacy during this time.'
X Men: Alongside James and Alexandra the film also stars Michael Fassbender, Jennifer Lawrence, Nicholas Hoult and Sophie Turner