Fifi after

Finishing weight: 16.1 lbs

Total weight lost: 4.4 lbs (22 percent)

Waist decrease: 8.3 inches

"Fifi used to just plonk herself in one place and pretty much stay there, but now I regularly see her exploring the garden, skulking in the bushes and trying to stalk things. It's definitely enabled her to indulge in more cat-like behavior and she is a bit more independent and feisty," her owner said.