National Dress Up Your Pet Day

National Dress Up Your Pet Day, observed January 14th, celebrates the playful trend of putting pets, most commonly dogs and cats, in costumes and outfits. The day was created in 2009 by pet lifestyle expert Colleen Paige, who has also been credited with founding several other pet-related observances, aimed at encouraging pet owners to bond with their animals through a fun, low-stakes activity while also raising awareness about the practical benefits of pet clothing, such as protecting short-haired or elderly dogs from cold winter weather. The broader pet fashion industry has grown significantly since the 2000s, driven partly by social media, where costumed pets frequently go viral, and partly by genuine functional demand for items like sweaters, raincoats, and booties for pets that struggle with extreme weather. Observances on National Dress Up Your Pet Day range from simple functional items like a warm sweater to elaborate costumes mimicking holidays, movie characters, or historical figures, often accompanied by photos shared on social media. Some animal shelters also use the day to hold costume contests as adoption-awareness fundraisers.