A baby bathing system including a bathing tub, having a reservoir and a bath basin connected to the reservoir by a weir discharging bath water from the reservoir into the bath basin. A baby bath support insert is received within the bath basin downstream of the reservoir, the baby bath support insert having a flexible seat and a base projection projecting from the flexible seat towards the bath basin. The base projection is conformally seated against an interior surface of the bath basin and supports the flexible seat raised from the interior surface of the bath basin with the baby bath support insert received in the bath basin. The base projection includes at least one aperture extending through the base projection and disposed so that bath water from under the flexible seat communicates through the base projection with outer sides of the bath basin.