RUSSELL BRAND CLAIMS HE ATTACKED THE PAPARAZZI BECAUSE THEY TRIED TO TAKE A PICTURE UP KATY PERRY'S SKIRT!

She may be a teenage dream, but looking up Katy Perry's skirt can be a nightmare for paparazzi.

Russell Brand was arrested on Friday for attacking a photographer who, according to police, was set off by one of them aiming a camera up his fiancée’s dress, tmz.com reports.

The paparazzi descended on the duo as they passed through security at Los Angeles' LAX airport. Brand told police that he attacked the photographers after he noticed they were trying to get a shot of Perry's nether regions.

"If you cross the line & try an put a lens up my dress, my fiancé will do his job & protect me," Perry tweeted Friday, along with the hash tags #standbyyourman #don'tf---withtheBrands.

The photographer made a citizen's arrest of the 35-year-old "Get Him to the Greek" star, who was then taken into custody and arrested for misdemeanor battery and released.