Britney Spears swaps the 'Circus' for the zoo as she spends rare days off with her sons

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Britney Spears swaps the 'Circus' for the zoo as she spends rare days off with her sons

The pop star, who has shunned party events while in London in preference of spending her free time with her sons, doesn't hesitiate to clamber onboard a carousel ride with her sons
 Photo: © Getty Images