The plural possessive is "ladies'." "Lady" is singular, so if you were referring solely to one woman's shoes, it would be "the lady's shoes." As for your second question, I'm assuming you're referring to a group of women in your salutation of them, so it would be "Good morning, ladies." And as you're addressing them directly, the comma preceding "ladies" is necessary.
DualShockers: Resident Evil Village: Lady Dimitrescu Shoe Size Revealed Along With New Concept Art
Resident Evil Village: Lady Dimitrescu Shoe Size Revealed Along With New Concept Art
(JTA) — Shoe designer was working in his design studio in 2011 when he got an email that he was sure couldn’t be real. It was from a studio executive working on Lady Gaga’s newest video — a raunchy, ...
TEL AVIV (JTA) – Shoe designer Kobi Levi was working in his design studio in 2011 when he got an email that he was sure couldn’t be real. It was from a studio executive working on Lady Gaga’s newest ...
wqad: Galesburg's 'Shoe Lady' has collected over 20,000 pairs to help those in need across the globe
Galesburg's 'Shoe Lady' has collected over 20,000 pairs to help those in need across the globe
Yes, milady comes from "my lady". Milady (from my lady) is an English term of address to a noble woman. It is the female form of milord. And here's some background on milord: In the nineteenth century, milord (also milor) (pronounced "mee-lor") was well-known as a word which continental Europeans (especially French) whose jobs often brought them into contact with travellers (innkeepers, guides ...