This Black Eyed Peas singer has a very long ponytail with a rockabilly look here at The Official After Party at the The Bank at The Bellagio Hotel and Casino in Las Vegas.
Fergie
The top of this style has lots of height in a pompadour type fashion. It's got a touch of edgy and is certainly not ordinary.
There has been some speculation that this pop star has been experiencing some hair loss and who knows if this is true or not, but this would be one way to cover up such a problem.
Found this video to be somewhat helpful for some styling tips for a look similar to this and could be for boys or girls.
