Supposedly when two people get married after a long courtship and having the freedom to chose, in particular when they are actors, they have talked and resolved all those issues of past relationships. Both partners have to be very secure in themselves and in the relationship. With that said I believe the old adage that you do not marry one person, but you marry an entire family, in this case there are also fans and all kinds of people including the new partner of your ex, to consider. Sensibly and honestly speaking I personally do not think it is a good idea, to do romantic scenes with an ex.
To answer your question in a more direct manner: NO
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