The designer shared the picture on Instagram, writing, "Harper has daddy stitching her dollies dresses!!! We love you @davidbeckham."
The Spice Girls alum wrote, added, "#lovingdaddy #proudmummy #familyfun."
David is wearing grey sweatpants and a t-shirt, is seen doing needle work with a tutorial paper on his lap.
Harper is David and Victoria's youngest child. The longtime couple also has three teenage sons, Brooklyn, Romeo and Cruz.