 Work on a new palace started in 2002 on the site of the original building and it took 16 years to complete it in 2018.The palace was rebuilt in Renaissance style to match the Cathedral of Vilnius and, according to the testimony of one of the couriers of Grand Duchess Bona Sforza, such initial reconstruction from 1520 to 1530 cost 100,000 gold ducats and was ordered by Grand Duke Sigismund I the Old.It is believed that the reconstruction was made for the proclamation ceremonies of Sigismund II Augustus, the only son of Sigismund I the Old, as the Grand Duke of Lithuania.