Theory cotton/nylon/spandex blend white button down

Theory cotton/nylon/spandex blend white button down with ruching around waist. Top is in good condition but the seams are coming undone on shoulders as shown. Tag size petite, best fit for medium. Model is 5’3 and wears size small.
Bust 17”
Waist 14”
Length 20”
Sleeve 20”