The child support trial between supermodel Linda Evangelista and Francois-Henri Pinault began today in Manhattan Family Court. The two have a five-year-old child together named Augustin. According to the New York Post, Evangelista’s attorney claimed that for the first four years of Augustin’s life, Pinault had not provided “one penny, franc or euro in financial contribution” to Evangelista as child support. Under New York’s Family Court Act § 440, unless the child is receiving public assistance, an award of child support is effective as of “the date of the filing of the petition thereof.” This means that the child support obligation is retroactive to the date the support petition was filed with the court.