1. Nicole, who played Grace Kelly in the film, was originally optimistic about entering the Oscar with "Grace of Monaco" because the director and the film company owner had a quarrel which caused the film's release to be postponed.
2. "Grace of Monaco" became the opening film of the 67th Cannes International Film Festival in 2014. On the evening of May 14, 2014, it made its international premiere in the Lumiere Hall of the film festival with a 6-minute film promotion.
3. Before the filming started, actresses considered to play Grace Kelly included Jessica Michelle Chastain , Emily Blunt , Charlize Theron , Reese Witherspoon , Rosemander Parker, Amy Adams , January Kristen Jones , Elizabeth Banks and others.
4. The day the film was launched was the 30th anniversary of Grace Kelly's death.
5. The script of the film was shortlisted for the "blacklist" of the best unfilmed screenplay in Hollywood in 2011.
6. In the French dubbed version of the film released in France, Nicole Mary Kidman was dubbed by actress Julie Gayet , the girlfriend of then French President François Gérard Georges Nicolas Hollande .
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