Spoiled Rich (nee Milk) is the wife of Filthy Rich and mother of Diamond Tiara. She is a haughty snob, elitist pony, who puts pressure on her daughter to always think of her social standing (which is why Diamond Tiara was such a mean girl). However, she is amenable to suggestions, especially if they come FROM her daughter, whose special talent is getting other ponies to do what she wants.
Crusaders of the Lost Mark
Where the Apple Lies