Her family keeps growing, but she's still 7st 3lbs with a 23in waist (and she's expecting again!)
Celebrity mothers are often praised for regaining their svelte figures soon after giving birth.
Liz Hurley, Victoria Beckham and Geri Halliwell doubtless have an army of personal trainers and dieticians to help them.
But Joanne Watson had no assistance getting back to a size zero - despite giving birth 13 times.
The 36-year-old grandmother says there is no secret to retaining her remarkable figure -although it may have something to do with the work involved in looking after her enormous family.
Read more: |mother of thirteen| her family picture|