The Princess Sibylla's Apartment, named after the Princess Sibylla of Saxe-Coburg and Gotha, is on the first floor in the south part of the eastern row and is used as the everyday reception rooms for the King and Queen, and is not open to the public. During the history of the palace, the apartment have always been a part of the palace where the king or one of his close relatives has lived. The apartment is known for the "Blue Drawing room" where the engagements of King Carl XVI Gustaf and Silvia Sommerlath in 1976, as well as Crown Princess Victoria and Daniel Westling in 2009, were declared. The Princess Sibylla's Inner Drawing room, formerly known as Crown Prince Gustaf's audience chamber, still have some interior designed by Carl Hårleman, such as pilasters and ornamentations over the lintels of the doors.