She also appeared in oddball comedy Scott Pilgrim vs.the World and Smashed, a sombre drama about alcoholism.
Mary Elizabeth met Ewan as they starred together on crime show Fargo and — in one episode — the pair were seen sharing a steamy bath scene.
Both had joined the FX Network cult hit for its third series, filmed on location in Calgary, Canada.
And the actress told in an interview with Time Magazine how the show’s director Noah Hawley assured her that her screen character’s feelings for Ray Stussy were genuine.
She added: “Once I knew that their love was real, then I was able to really move forward with this sort of sweet, bubbly, optimistic version of a femme fatale.” Mary Elizabeth — a distant relative of Hollywood screen siren Ava Gardner — announced her separation from 31-year-old Riley, her teenage sweetheart, five months ago.
I love you always, Riley.” But in June Riley closed his Twitter account saying: “Keep almost tweeting stuff I shouldn’t so I am saying bye for a while.” By Michael Hamilton EWAN Mc Gregor’s first TV role was as a 22-year-old in the 1993 mini-series Lipstick on Your Collar.