Did your feet grow (spread) while pregnant?

I was having a conversation with my best friend who is currently pregnant with her third and she was telling me that she's nervous she's going to go up another shoe size. She currently wears a 12 and was previously a size 9.5-10 almost 5 yrs ago. She's very self conscious about her shoe size and her husband doesn't even know she wears a size 12 now. I've always wondered when he offered to buy her shoes she just asks for money to buy them herself. I hope one day she'll get the courage and be comfortable talking about her shoe size.