She is suffering from serious hungry bum.
Fat people are a fucking enigma!
I mean she's kind of like Barbie if you put her into the Super Mario 64 starting screen and pull her proportions in all different directions like Mario's faceI find the Barbie labelling ironic considering her build is the antithesis of the classic Barbie build with the massive breasts, tiny waist & smallish hips. Her figure is best described as: "Barbie x 4, turned upside down".
The cardigan - even at size 6X, if she tried to do up the buttons, you'd get gaping because it's too tight.
Not knowing anything about Plus sizes, where does she go when Torrid no longer fits?