Well if these pictures of the world's fattest pets are anything to go by, there must be some obese dogs-lovers out there, as well as cat and guinea pig owners.

Sadly experts say overweight dogs are likely to die two years earlier than lean ones and have a much poorer quality of life, so let's hope the diet commences soon.

Guinea PIG: A fury friend with too much fat

This squirrel has had too many nuts

Fat-out: This pooch doesn't need to be thrown a bone

Fur-wheel drive: This dog need to get out and walk

One too many mice for this fat feline