Surrey police have confirmed that Berrabah, 23, was arrested after a brawl in a nightclub.
According to the Daily Mirror, the singer attacked an 18 year-old girl. Berrabah spent the night in prison before being released on bail. She then joined her band mates on a plane bound for the United States.
Berrabah joined the Sugababes in 2005, replacing Mutya Buena.