Just in case you needed more proof that pit bulls can have the warmest hearts, here's a video of a pit that is happily fostering a litter of tiny kittens.

Bella, a 5-year old pit bull with only three legs, spends her days helping her human care for litters of kittens from the time they are born until they find their perfect forever home.

Watch the video here, and prepare for your heart to melt: