Just hours after a judge ordered drug testing for Britney Spears, the singer hit the Los Angeles nightclub scene overnight Tuesday with ... Avril Lavigne.
Followed by a pack of paparazzi, Spears first was seen at Winston's in West Hollywood with Lavigne and Spears' friend/cousin/bitch Alli Sims.
The women left around 1 a.m., and Britney Spears was later spotted at Hyde Lounge in West Hollywood where she partied until the club closed.
"They kept bringing (Britney Spears) shots and so they were drinking," says a Hyde patron, who may or may not have been Spencer Pratt.
"She was dancing on the tables trying to be really sexy, even putting a black sock over her head as a hat, and putting on a show for everyone."
Britney Spears goes buck wild ... with clothes on this time!
It gets weirder. At one point in the evening, an irate Britney drove over to the Beverly Hills Police Department and complained that a pack of celebrity news photographers was following her, but no action was taken.
Spears' night of partying came after the judge in her brutal custody fight with Kevin Federline found that she is a "habitual, frequent and continuous" user of alcohol and controlled substances. Well, at least this clears it up.
Britney Spears must now submit to random twice-weekly testing.
Los Angeles Superior Court Commissioner Scott Gordon also ruled that both Spears and Federline may not consume alcohol or other substances at least 12 hours prior to being with their two children, Sean Preston and Jayden James.