Which of her fragrances does Britney Spears prefer? According to WWD, In Control Curious is her favorite. Curious, Fantasy and In Control Curious have done remarkably well, with Elizabeth Arden celebrating more than $300 million in global retail sales this week. Indeed, Arden executives note that the launch of a flanker for Fantasy is being planned for October or November. Other celebrity fragrances are in the works by Arden: Hilary Duff’s scent, expected in September, novelist Danielle Steel’s in October, and Mariah Carey’s next spring.