A diaper support garment for a four-legged animal comprises an article of animal clothing shaped to substantially cover fore and midsection body areas of a four-legged animal without covering or interfering with the waste product discharge areas of the animal a closable utility envelope for defining at least one storage compartment which is removably secured to the article of animal clothing for helping to prevent displacement and slippage of a disposable diaper from a hindquarter area of the four-legged animal when the disposable diaper is worn in combination with the primary protective garment the closable utility pocket being provided with a closure flap to seal the at least one storage compartment to conceal and store for deployment when needed at least one tethered diaper coupler for securely gripping and helping to maintain the disposable diaper in an intended animal protective position for capturing and collecting animal waste products discharged from the four-legged animal.