Hundreds of dogs descended on Battersea Park in London on Sunday to set a world record.
The dogs in Christmas jumpers event was set up by dog-walking website BorrowMyDoggy to raise funds for charity Save the Children.
The celebration of the humble Christmas jumper was just the beginning of Save the Children’s Christmas-related fundraising efforts.
Friday December 15 will mark Christmas Jumper Day, when humans are encouraged to pay £2 and wear their best jumpers into work or school.