An electronic device and a controlling method of the electronic device is disclosed. Specifically, the electronic device according to the disclosure may identify, based on receiving a user input for expanding an outer area of a first image, a plurality of objects included in the first image, and obtain a first segmentation image including segmentation information on areas corresponding to the respective objects, obtain a second segmentation image in which an outer area of the first segmentation image is expanded based on the segmentation information, obtain a second image in which segmentation information included in the second segmentation image is converted to RGB information, obtain a third image by reflecting a feature of the first image to the second image based on the segmentation information, and provide the obtained third image.