Britney Spears Maintains 1600 Calorie Diet on European Tour

Britney Spears has just kicked off the European leg of her Femme Fatale tour and reports say the singer is working hard to stick to her 1600 calorie-a-day diet. But, other reports have noted that Spears has been indulging in her favorite English dish -- fish and chips.

However, Spears is also eating lots of figs and prunes to make sure she is getting lots of fiber and to keep her daily calorie intake low