It has been demonstrated that the popularity of a celebrity is directly proportional to the sales of a signature product. Lots of products have had celebrity endorsements, from sports apparel to non-stick grills. One of the current celebrity endorsement trends that we have been hearing so much nowadays are signature scents. It seems that almost all the big celebrities have them, from Snoop Dogg to Donald Trump. Britney Spears Perfume, which was launched 2004, is another such example of a signature scent. There are two product lines associated with this perfume- Curious, and Fantasy.