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Maybe Rob Pattinson didn't want a helmet messing up his perfect hair?

The Twilight hunk was stopped by police in Australia for riding a bike without a helmet, according to Hollywood Life

“Yes that it the case [that he was cautioned],” says Adelaide law enforcement. “He will not be fined — it is just a simple caution. We had a chat with him and told him that it is a requirement to wear a helmet while cycling a pushbike. It’s no biggie."

And how did the cops catch R-Patz?

“Someone took a picture of him when he was out cycling so that is how we knew,” says the officer. “If he does it again, he will be fined.”

Yet another problem with having fans snapping your picture wherever you go.

Source: Hollywood Life