She was booked at the Van Nuys jail on Sunday, October 18 and was released later that day after posting 5,000 dollars bail.
"The Hills" actress Stephanie Pratt was arrested on suspicion of driving under the influence (DUI) on early Sunday morning, October 18 in Hollywood. The arrest, according to police records, took place at around 3:45 A.M. PT. The TV actress was then transferred to the Van Nuys jail for booking, where she was released at around 10:30 A.M. later that day on $5,000 bail.
"It was your basic DUI. Our traffic officers driving down the street spotted her and pulled her over," Sgt. Sal Ogaz tells People. "She was cooperative and there were no issues with her arrest."
Prior to the DUI arrest, Stephanie and several of her "The Hills" co-stars spent Saturday, October 17 celebrating Holly Montag's 26th birthday at Los Angeles hot spot Empire. "It's my sissy @hollymontags b-day party! Just finished dinner and going to Empire but I'm pretty tired, a.k.a. yes, I am the party pooper," tweeted Stephanie.
The Spencer Pratt's sister and Holly reportedly left the club at 2 A.M. and headed for Beso, where they stayed until about 3 A.M. After that the group parted ways and Stephanie took off in her own car.