Pippa Middleton : In Car With Smirking Pals "WTF"

Prince William's sexy sister-in-law was last night facin a grilling by outraged cops over the antics in Paris ... as it reels from a series of gun massacres across France .

Three male chums were with her in an Audie convertible .

The drive took out the weapon and brandished it in broad daylight .

He waved it in the air and pointed it at a photographer ... whose snaps show the chilling moment the barrel of what looks like a semi-automatic stared straight down his lens .

Pippa , 27 , ... sister of future Queen Kate , 30 ... is clearly seen in the front passenger seat . Pippa Middleton ... may face arrestFlynet .

Last night the Paris Judicial Police was poised to launch a probe .. as a source revealed Pippia faces ARREST amid a gun clampdown .

The Sun was told : "If the evidence points to her involvement , she will be prosecuted . Anybody involved in the illegal use of a handgun in piblic is liable to arrest and interrogation . The source confirmed that if the gun was REAL , branshing it in a public place is punishable by up to seven years' jail "for all parties involved."

Even if it was FAKE the maximum jail term is two years . The source said : "Certianly if you were in a car and knew someone was using a gun to warn people off you'd be liable to arrest."

Not funny , Pippa ... Kate's sister sees chum take out gun as car pals grin .

Last night the French photographer was 'considering his options " over making a former complaint .

Pippa was understood to have been in Paris for a weekend fancy dress party .... weeks after three kids was shoot among seven people shot dead in Toulouse .

Taking aim ... the driver of the convertible levels weapon at XPOSUREPHOTOS.COM . A security sourse said : "Waving a weapon in public is not illegal ... it's incredibly stupid ."

******My View ... By Duncan Larcombe , Royal Editor .*********
PIPPA's role in this unfortunate incident will send shockwaves through the Palace .
So far Kate and Pippa have enjoyed a flawless year as the anniversary of the Royal Wedding approaches .
If lagal proceeding follow , Pippa will have inadvertently dragged the Royal Family into a major row .
Now she is the most talked- about ... and most photographed ... women on the planet , men will inevitable show off to try to catch her eye . But Pippa must start showing Better judgement .

[UPDATE]
Pippa Middleton could be quizzed by police after she was pictured in a car with a group of friends , one of whom pointed a 'gun' at paparazzi .

The incident occurred in Paris this weekend , just weeks after France was rocked by a series of gun massacre .

It is not known if the weapon is real or a toy , but last night the Paris Judical Police were said to be poised to investigate . Pippa was in the French capital attending a fancy dress party with friends .

A source told the newspaper : "If the evidence points to her involvement , Pippa will be prosecuted . Anybody involved in the illegal use of a handgun in public is liable to arrest and interrogation ."

Even if the gun is found to be a fake , Pippa , 27 , could still face a maximum jail sentence of two years .
The source added : "Certainly if you was in a car and knew somebody was using a gun to warn people off you'd be liable to arrest ."

The photogragher who took the shot is said to be considering whether to make a formal police complaint .

Last month a gunman on a motorbike opened fire outside a Jewish school in Toulouse , France , killing three children and a rabbi . Two soldiers were also killed and one was wounded in a further attack at a military base in Montauban .