Confessions of an Ugly Stepsister (2002) on Netflix

In this variation on Cinderella, Margarethe Fisher Van Den Meer is a former lady of means who had to accept a position as housekeeper, but manages to spike her Master Schoenmacker's drink and marry him; alas his shipment of priceless tulips turns worthless overnight, so their last chance is to marry of one of either's daughters, hopefully to the prince for whom the Dowager Queen Maria de Medici throws a great ball. Both Iris Fisher -who is in love with painter Casper for whose master she sat as a model- and Clara Van Den Meer make a good impression...