Justin Bieber offensive gesture to paparazzi

It seems that fame has come to be fed!
Justin Bieber, 17 year old singer from Canada, currently located in England and it seems that this time the paparazzi have greatly inconvenienced.
After having dinner with his staff colleagues in Knightsridge he greeted with a very significant gesture and not casually. It is unknown what was the real reason why Justin has reacted in such manner and upon all that has given very clear message to all attendees.
May not have excited any comment about his charge for having an illegitimate child?
At the end of Justin's trial begins in November, where 21-year-old girl's lawyers will ask him to undergo a DNA test to prove paternity of the child 4 months.