Mariah Carey Shows Off Rock-Hard Abs in New Bikini Photo

omg! INSIDER Update 1:23 mins

Mariah Carey is making her much anticipated debut as a judge on the 12th “American Idol” next week, so, how does 42-year-old mother of two prepare? By posing on the beaches of Australia wearing a red hot two-piece bathing suit and looking smoking hot, of course!

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