Teenage girls copy Paris Hilton's personal style. Thirtysomething women look to Sarah Jessica Parker for fashion advice. Guys in their 20s envy Usher's charisma.
But do even the most die-hard fans really want to smell like their favorite celebs?
According to sales figures, the answer is yes. In a report released this year by Euromonitor International, a Chicago-based market research firm, worldwide sales of the top seven celebrity scent lines totaled $353.6 million last year. The best-selling Sean John Unforgivable--the signature scent of Sean Combs, also known as "Diddy"--brought $74.9 million in sales to parent company Estée Lauder (nyse: EL - news - people ).