According to a spy for OK! magazine at Winston’s in Hollywood on Monday night, Britney Spears spent an unusual percentage of her evening in the ladies room, joined by Alli Sims. “I was in the restroom at the same time as Britney and Alli, who made sure Brit was always aware of the location of an available stall,” the source said. “At one point, Brit even asked me which way the stall was because she ‘really had to go!’ She asked: ‘Is the stall this way or that way?'” It’s only the latest in a continuation of reports suggesting the singer has an overactive bladder. Read more.