Stephen Frears's film centres on a 30-something former dancer who sets out to pursue her dream of being a cocktail waitress in Las Vegas.
In the above video, titled 'Look me in the eye', Rebecca Hall's Beth Raymer is seen getting into a heated phone conversation with John Carroll Lynch's Dave.
Bruce Willis also stars in the film as Dink, a gambler who adopts Beth as a good luck charm much to the annoyance of his wife Tulip (Catherine Zeta-Jones).
Joshua Jackson and Vince Vaughn are among the supporting cast for the comedy.
Lay the Favourite opens in UK cinemas today (June 22).