Pella Moda black feather heel sling backs size 8.5 but fit like 8s

Pella Moda black feather heel sling backs size 8.5 but fit like 8s so listing as 8. Another gorgeous pair of heels in my closet I want to cry because they don’t fit me anymore! Hardly got to wear these gorgeous heels! My feet grew after having babies and I have to sell all my heels that don’t fit! Why did no one tell me your feet grew after having babies?!? I thought I’d get to wear these more! My loss, your gain!