Carey rules in London while filming a skit for a sketch comedy show. Plus: Paris & Benji, Jay-Z, Britney Spears and more

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CROWNING ACHIEVEMENT

Mariah Carey has been pounding the pavement to promote her new album in London – but a little fun is all in a day's work. The singer indulges her silly side while taping a skit for the Friday Night Project, a British sketch show that features a guest celebrity host each week.