There have been some days when all the paparazzi attention really gets to celebrities. It appears that this was one of those days for "Twilight" heartthrob Robert Pattinson. The actor reached his paparazzi boiling point, even nearly losing his cool with them and he never kept his feelings about them a secret.

Just last year, Robert spent a day off from filming "Water For Elephants" in Malibu where he went to see Angelina Jolie's movie "Salt" with his agent and then later headed to a house party. When leaving the party, Robert got really upset when he saw the photographers waiting outside not only to get his picture but to follow him home as well.

Afterwards, Robert went to Venice after leaving Malibu and this was where he stopped twice asking the photographers to leave him alone. Robert even came out of the car confronted the photographers. The police were not much help in stopping the paparazzi harassment when he asked them for help.

The actor is always hounded at every turn and the constant flashing and clicking of cameras can be more than a little annoying. Robert Pattinson reached a breaking point and nearly clocked one photographer who was just a bit too close to the star. The "Twilight" star was seen leaving a meeting at the ICM Agency in Los Angeles.

"Rob already seemed to be in a bad mood as he was leaving ICM and when he saw me, he just snapped," said the photographer. "I was just standing there, taking his picture, not saying anything, not getting too close, and he just went off," the paparazzi claimed.

After the photographer innocently took some photos, Rob snapped. "He clenched his fist and got ready to hit me but his friend told him to stop and calmed him down," the shutterbug says. Despite the fear of being punched, the paparazzi still kept on taking photos.

In fact, he even sold the photos of Rob stalking towards him with his hand bunched into a fist and looking down right angry. This is not the first time a celebrity has had enough of the constant stalking. Rob did not raise his hand to this guy but maybe he got the message.

Despite his earlier almost altercation on Monday afternoon, Pattinson seemed to be back to his normal broody self when he jetted back to Toronto. He has been called back to the city to reshoot some scenes from his most recent film project "Cosmopolis." As Rob strolled through the airport, by himself, he kept his head down and avoided making any eye contact.

The hunky actor looked a bit worn down as he carried his own luggage through the airport. His scruffy beard is certainly a different look for him and it definitely added some years to his face.