David Arquette has filed legal documents to make his separation from wife Courteney Cox official. Almost two years after the couples split, David has filed divorce papers citing irreconcilable differences. According to the documents, the Scream 4 actor has asked for joint legal and physical custody of their daughter, Coco, reported TMZ.com. It has also been found that David signed the divorce papers in March. During their separation period, David had a brief romance with TV presenter Christina McLarty. Courteney, on the other hand, remained single.