having spent 2 hours scanning Hello for the thread (my goodness it was tedius!), she's not got one a week before, so my suggestion is that she went from eating a handful of raisins (per day) to "normal" food....
Or..... (am I allowed to back pedal here?) she has a slight tummy here...(below) but nothing like the other one. (Have you noticed how her hips look a bit thicker too? in the above photo?)