1. An image processing apparatus comprising: at least one CPU and a memory cooperatively coupled to function as: an obtaining unit adapted to obtain images stored in a storage medium; a display control unit adapted to control so that the images obtained by said obtaining unit are automatically and sequentially displayed as a slideshow in a single display manner; a receiving unit adapted to receive, during the slideshow displayed by said display control unit, an indication regarding an image displayed in the slideshow by a user designating at least one indicated image as an image to be subjected later to a specific image processing; a storing unit adapted to store information indicating the image being displayed in the slideshow at a time point when the indication is received, wherein in a case where indications are received respectively for a plurality of images during the slideshow, the storing unit stores information indicating images which are displayed at time points when the respective indications are received during the slideshow; and a control unit adapted to effect control so as to display a screen for performing the specific image process to the plurality of images indicated by the information stored by said storing unit, after completion of the slideshow, on the basis of the information stored by said storing unit.