The Baroque facade of the church of Notre-Dame-de-Bon-Secours houses an interior that is richly decorated with sculpted confessionals in the Louis XV style, gates by Jean Lamour and a rocaille pulpit. In the chancel are the mausoleum of Catherine Opalinska, Stanislas's wife, by the Adams, the tomb of Stanislas and a monument of the heart of Marie Leszczynska, wife of Louis XV, sculpted by Vassé.