I do hope the person at Vera Wang who came up with the idea of Princess has been given a hefty raise, and maybe some extra vacation time.1 The original Princess — born to rule! — launched in 2006, and we've since seen Flower Princess, Rock Princess, and now the new(ish) Glam Princess. The first two flankers were pretty much as advertised: Flower Princess was more floral than the original, and Rock Princess was that clean fruitchouli that you usually get from a mainstream flanker with "rock" in the name.
Glam Princess is pretty close to the original Princess, close enough that it's hard to see why you'd need both. It's a fruity floral, with vibrant, tropical berry candy top notes cut with a tad of the watery apple-pear of Princess. After 15 minutes, it's awfully hard to tell the two fragrances apart; the floral notes are a generic blur, and the dark chocolate, pink frosting and chiffon vanilla in the original are not startlingly different from the vanilla orchid and marshmallow in the Glam Princess. I will say that I never really noticed the chocolate in Princess until I smelled the two together — yes, Glam Princess is less chocolate-y, but in the end they both smell mostly like pink frosting and musk. If you're after some pink frosting and musk, either one should do.
Now taking votes: what Princess would you like to see next?
Vera Wang Glam Princess was developed by perfumers Ilias Ermenidis and Harry Fremont (both of whom worked on the original Princess fragrance); the notes feature red berries, guava, pear, orange blossom, vanilla orchid, honey, ambrette, marshmallow, cedar and cashmere wood. It is available in 30, 50 and 100 ml Eau de Toilette.
1. I am fairly sure that I read recently that the Princess franchise currently makes up the largest share of the Vera Wang fragrance business, but of course now I can't find a link.