The star smoulders as she shows off a 1980s perm in scenes for the flick, which tells the tale of a young Italian-American from the "wrong side of the tracks" who falls for a Jewish girl from Long Island.
The film also stars little-known actors Kathrine Narducci and Spencer Boldman.
It sees Emily take on the role of Jessica, who captures the heart of Gio.
The film's release date is yet to be confirmed, but it's expected to be released in theatres within the next few months.
It comes after Emily thrilled fans by posing in a red thong swimsuit in a series of sexy Instagram snaps.
The sexy star, 27, revealed a full view of her curves to her 18million fans in the gorgeous images on the social networking site.
Emily's millions of fans went wild for the clip as she gyrated for the camera.
In the clip the model turns around to show off the swimwear's full design.
She captioned the image: "You can take the girl out of Leucadia but…"
And her followers – of which she has almost 19 million – seemed to like the clip.
One wrote: "So gorgeous" as another said: "In love."
Emily was modelling for her own swimwear brand Inamorata in the video.
She originally posted the video in the plunging red thong bikini on her company's Instagram page.
Emily recently revealed she has finally got a real engagement ring four months after her secret wedding.
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