Purple and lime green
The most popular celebrity teen brand is Prada.
Uggs
Teens nowadays like many colors and things that have lights everywhere that move.
No, because not every teen has you know... There are some but definitely not most.
I think Aeropostale, Abercrombie & Fitch, and Hollister are the most popular teen store. They are somewhat affordable.
On one website researched they have the top ten teen magazines. This magazine names the teen magazine called J--14 number one most popular teen magazine.
Justin Bieber
The current most popular male celebrity for teenagers is Justin Bieber. The current most popular female celebrity for teenagers is Ke$ha.
Because most of teen girls will always be followers, not leaders, and they HAVE to be popular in order to survive, and if they find an identity of their own, and not be a "robot" in the social order, they will not be included. That's just the way it is.
There are two popular teen magazines that center on fashion. Teen Vogue and Seventeen magazines provide tips, articles and fashion advise for teen girls.
Archie Andrews
In my experience, nerds are the friendliest and nicest people, even if they are not the most popular. I think the reason most girls overlook nerds is because most teen girls are vain and shallow. Just be yourself, and the right girl will like you for your personality.