Two things:
1) Martina and Chris Evert both wore the same dress size (size 6). Martina used to become infuriated with how the media described her physique, as she felt she was being described as "manly" and in a way that made her seem like she was some sort of overgrown beast by newspaper reporters and journalists.
2) Serena Williams is twice Martina Williams' size. Not literally, but Serena has one of the most muscular physiques and powerful frames out there, as far as female athletes go. And yet, Serena is regarded as a sex symbol. She has been in the SI Swimsuit Issue, she is a red carpet regular, she wears extremely revealing outfits designed to show off her physique, etc.
It is interesting how things have changed in certain ways from 30 years ago.