To celebrate the special day, which fell on October 27, we asked you to send in the best pictures of your lovely pets.
And you delivered. We have rounded up just 13 of the many submissions we received.
Enjoy this gallery of the cutest black cats owned by YEP readers.
7. Black cats
YEP reader Tracey Gresham shared this photo of her black cat. | Tracey Gresham Photo: Tracey Gresham
8. Black cats
YEP reader Joanne Batt shared this picture of Luna, 2, and Fifi, 16. | Joanne Batt Photo: Joanne Batt
9. Black cats
YEP reader Karmen Nagy-Stephenson shared this photo of Fudge. Karmen said: "We adopted him from the RSPCA in 2012." | Karmen Nagy-Stephenson Photo: Karmen Nagy-Stephenson
10. Black cats
YEP reader Charlotte Moir shared this photo of Aurora. | Charlotte Moir Photo: Charlotte Moir
11. Black cats
YEP reader Alison Harrison shared this picture of her three black cats. | Alison Harrison Photo: Alison Harrison
12. Black cats
YEP reader Carolanne Iveson shared this photo of Missy, who is 8 years old. | Carolanne Iveson Photo: Carolanne Iveson