The Accidental Husband

The Accidental Husband is a 2008 American romantic comedy film directed by Griffin Dunne, and starring Uma Thurman, Jeffrey Dean Morgan, Colin Firth, Isabella Rossellini, and Sam Shepard. The film was written by Mimi Hare, Clare Naylor and Bonnie Sikowitz, and is produced by Jennifer Todd, Jason Blum, and Uma Thurman. It was theatrically released in the UK in 2008, but was released directtoDVD in the United States.

Patrick is so upset that when he hears that Emma is about to be married herself, he allows his young neighbour, Ajay, to hack into public records and create a fake marriage between himself and Emma. Upon going to the public records office to get a marriage license, Emma and her perfectgentleman fianc, Richard Colin Firth, are told she is already married.Emma sets out to find Patrick and give him annulment papers to sign so that she can marry Richard. Emma finds Patrick in a bar, and their initial meeting ends with her getting drunk. The next day, Patrick comes to Emmas work to give her the annulment papers as she is leaving for a wedding cake tasting. Patrick accompanies her to the tasting, where Frau Greta Bollenbecker Isabella Rossellini assumes he is Emmas fianc, Richard. Greta later comes to Emmas book launch because her husband, Herr Karl Bollenbecker, Keir Dullea is planning to liquidate Richards publishing house. Greta meets Emma during the banquet and tells her of the same. Patrick still has the annulment papers, so he comes to the book launch. Matters get worse when Richard sees Greta and Karl with Emma and Patrick, who is posing as Richard, but Richard agrees to go along with it when he learns that Greta thinks Patrick will charm Karl so much that Karl will decide to continue business with Richard. ........

Source: Wikipedia