Teen pop sensation Justin Bieber on Tuesday broke free from his mild mannered ways and shocked the world by flashing the middle finger at the paparazzi in Los Angeles on his 17th birthday.

Giving someone the finger or the one-finger salute or flipping someone off or flying the bird is best described as an obscene hand gesture that many celebrities resort to in a fit of rage.

Swarmed by paparazzi almost all the time, most of the celebrities have sometime in the past flashed the middle finger at the cameras.

Start the slideshow to go through some famous finger flipping celebs: