Paris Hilton is such a hottie... No wonder it's the bad girls that are always so damn hawt! I'd party with her.

Paris Hilton was arrested for possession of cocaine after officers stopped the car she was in on a Las Vegas street late Friday night.

Hilton was booked into the Clark County Detention Center on a charge of possession of cocaine, Las Vegas police spokesman Marcus Martin said.

The 29-year-old Hilton was in a car driven by a friend that was stopped when officers noticed what they suspected to be marijuana smoke coming from it, he told The Associated Press.

"Officers noticed a vehicle leaving smoke trail of a contolled substance (and) made a stop based on that," Martin said.

During the stop, officers found what appeared to be a drug on Hilton and later tests showed that it was cocaine, Martin said. He didn't know how much was found.

Crowd gathers
He said Hilton was apparently recognized by passers-by and a crowd quickly gathered in the area where the vehicle had been pulled over.

Police watch commander Lt. Wayne Holman said Hilton was still being held around 2 a.m. Saturday but would probably be freed on her own recognizance later in the morning.

Hilton's manager and a publicist didn't immediately return AP calls for comment.

Police didn't immediately released the name of the man who was driving the car. Martin said he's not sure if he was also arrested.

Hilton was arrested this summer after the Brazil-Netherlands World Cup match in Port Elizabeth, South Africa, on suspicion of possession of marijuana. The case was then dropped at a midnight court hearing.

Hilton pleaded no contest in 2007 to alcohol-related reckless driving and was sentenced to 45 days in jail.

After spending about 23 days in jail, Hilton told U.S. television host Larry King that the experience caused her to re-evaluate the role partying played in her life. She said she wanted "to help raise money for kids and for breast cancer and multiple sclerosis."