Lady Luck; goddess of fortune
Personification of luck or fortune, often used in contexts of chance, gambling, or unexpected good fortune.
Lady Luck smiled on him.
Winning the lottery—I can only think that Lady Luck was on my side.
Refers to the goddess of fate or destiny, often with a more serious or mythological tone, while 幸運の女神 specifically personifies good luck.
Compound of 幸運 (good luck) + の (possessive particle) + 女神 (goddess). A straightforward set phrase personifying fortune.