Justin Bieber has been charged with driving under the influence and resisting arrest after being stopped by police in Miami early this morning.
The singer failed a sobriety test during his arrest after driving at 55-60mph in a rented yellow Lamborghini in a residential area.
A police spokesman said Bieber's car was going at almost double the speed limit before his arrest.
Speaking at a press conference, Raymond Martinez said Bieber "had been smoking marijuana and he did consume a beer".
He said the singer had also taken a prescription drug.
Mr. Martinez said he had been "belligerent" and had used some "choice words" when he was arrested but was not violent. Mr. Martinez said Bieber (19) had been very cooperative once he got to the station.
The star has arrived at Miami-Dade County Jail where he will have mugshots and fingerprints taken. The van transporting the singer, with blacked-out windows, was trailed by squad cars.
Miami Beach Police have released his mugshot
Miami Dade-Police spokesman Sergeant Bobby Hernandez told WSVN in South Florida that officers saw two cars racing at 4.09am. Mr. Hernandez said two vehicles apparently had been used to block off an area on Pine Tree Drive and 26th Street for the race.
He said the second car was a red Ferrari, and that driver, a singer known as Khalil, was also arrested. Both cars were towed.
Tests showed that Bieber was under the influence of drugs and resisted arrest, Miami Beach police chief Raymond Martinez reportedly told the Miami Herald.
The Canadian pop star was pictured in the car with a woman, named in some reports as model Chantel Jeffries, in the driving seat before his arrest.
The teenager has been in Florida for the past few days and has been spotted in nightclubs and at a skate park. He posted photos on Instagram of him performing tricks on his skateboard and spraying his initials onto a wall at the park.
He is also alleged to have spent thousands of dollars at a strip club called the King of Diamonds.
If Bieber is charged he could face a fine or even imprisonment.
A first conviction could bring a fine of between US$250 (€182) and US$1,000 (€731), depending on the level of alcohol, as well as community service and possibly a jail sentence.
Bieber's arrest comes just a week after the singer's California home was raided by police over claims he pelted his neighbour's house with eggs, causing thousands of dollars of damage.
In that case, authorities arrested one member of Bieber's entourage, rapper Lil Za, on suspicion of drug possession.
