An image recording apparatus, including a sheet-supply tray device which accommodates and holds a plurality of recording sheets and which supplies the recording sheets, one by one, in a sheet-supply direction; and an image recording device which records an image on each of the recording sheets supplied from the sheet-supply tray device. The sheet-supply tray device includes a first tray which accommodates and holds at least one first sheet of the plurality of recording sheets; a second tray which accommodates and holds at least one second sheet of the plurality of recording sheets, and which selectively takes a stacked posture thereof in which the second tray is stacked on the first tray, and an opening posture thereof in which at least a portion of the second tray opens at least a portion of the first tray; and a supporting device which supports at least a portion of the second tray while permitting the second tray to selectively take the stacked posture thereof and the opening posture thereof such that the at least one second sheet held by the second tray is not plastically deformed.