They like nice photographer and they want to kiss him :))

It's called "duckface" From urbandictionary: Duckface 160 up, 10 down A facial expression utilized by attention-seeking teenage girls in which they push their lips outward and upward to give the appearance of large, pouty lips. Amanda Fuchs makes a duckface in all of her profile pictures.

Duckface!! Here's the song: http://www.youtube.com/watch?v=q0ohT89flgc Aaaaand the website fighting valiantly against this phenomenon: http://antiduckface.com/

Correction: Why do girls extend their lips forward in photos ? Answer: The photographer usually says "smile", that's why.

Because we wanted to see who would be the first one asking about this ! And the winner is MOHAMED ELSAMMAN !!! ... good for you ^^