Emily Blunt is attached to star in 'Engagement Games'.
The British star will play a leading role in the comedy movie, which sees three sisters who get engaged at the same time fighting over who gets their mother's wedding ring, Pajiba reports.
When trouble ensues, the father comes up with the idea of a 'Family Olympics' to work out which sister will get to have The Ring.
Rachel Specter and Audrey Wauchope have written The Script for the film, which Columbia is developing.
Emily, 27, has worked on a number of well-received projects in recent years, including 'The Young Victoria' and 'Sunshine Cleaning'.
She will next be seen in 'Gulliver's Travels' alongside Jack Black, in which she plays the Princess of Lilliputia.
She is also working on 'Gnomeo and Juliet' alongside James McAvoy and Dame Maggie Smith and is currently filming Lasse Hallstrom's 'Salomon Fishing in the Yemen' alongside Kristin Scott Thomas and Ewen McGregor.