Eve McHuron was one of three beauties "created" from plain women by Harry Mudd's Venus drug. When Ben Childress was infatuated with her, she revealed herself as her plain form to shock him, then took the drug to show how it changed her into a beauty - berating him for being taken in by such ephemerals. In fact, James Kirk had substituted fakes for the drugs and Eve was creating her own beauty. She and Ben agreeed to work on their relationship. (TOS episode: "Mudd's Women")