Ewan's speech was much less controversial than when he picked up a Golden Globe for Fargo on Sunday and thanked both Mary and his estranged wife Eve, the mother of his four daughters who he was reported to have split from late past year amid rumours of a romance with his co-star.
The Scottish father-of-four had raised a few eyebrows when he thanked Eve whilst on-stage, collecting his gong.
And Eve, 51, reportedly wasn't impressed by her husband of 22 years' words.
Ewan and Mary in Fargo. Source FX
"There would be no Ray without Mary Elizabeth Winstead". To my four children, Clara, Ester, Jamyan and Anouk, I love you.
He then went on to talk about how much he loved being an actor, taking care to thank those in the industry who helped him achieve success, which is when he mentioned his new girlfriend.
In this speech, he left out Eve and his four daughters, but said: 'Thank you to all of our actors... and Mary'.
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"Ewan and Eve were a very affectionate and loving couple, but it all changed over the summer", a source told the Daily Mail.
Actor Ewan McGregor and actress Mary Elizabeth Winstead attend the "Fargo" For Your Consideration event at Saban Media Center on May 11, 2017 in North Hollywood, California.
Ewan and Mary in Fargo.
Ferrell, Bryant, Joseph, Fields all returning for Clemson defense
Bryant, a 6-5, 265-pound junior, had 54 tackles, 14 1/2 tackles for loss, 7 1/2 sacks and 10 quarterback hurries in 10 games. Ferrell, a first-team All-America selection, totaled 18 TFL with 9.5 sacks this season, tallying 66 tackles.
"They tried to make their marriage work after he told her, but about a month later it was clear Ewan had made his decision".
Ewan McGregor (R) and Eve Mavrakis arrive at the 69th Annual Golden Globe Awards held at the Beverly Hilton Hotel on January 15, 2012 in Beverly Hills, California.
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