Britney Spears was arrested Wednesday night (March 4) in Southern California and booked early the following morning. The charge was unclear, according to the Ventura County Sheriff's Office website. However, TMZ reports that the detainment was in connection with a DUI.RELATED: Whew! Judge Decides What's Next In Shia LaBeouf's New Orleans Arrest CaseWhat To Know About Britney Spears' ArrestAs mentioned, the California Highway Patrol arrested Britney Spears around 9:30 p.m. in Ventura County and booked her around 3 a.m. At around 6 a.m.