Flaunting, Extravagant Queen by Jean Plaidy

At the age of fifteen, Marie Antoinette, beautiful and charming bride to the impotent Dauphin, is plunged into the intrigue of Versailles.
Frivolous and reckless, she flouts the strict and demanding etiquette of the glittering court, and discovers the true nature of hate . . . and love.
But the clouds of revolution are overhead, and Marie Antoinette, who only wished to enjoy life, learns too late that the price of her enjoyment is very high...