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

Sarah Flanigan
omg! Celeb News

Mariah Carey is making her much-anticipated debut as a judge on the 12th season of “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!

The Jenny Craig spokeswoman brought her hubby Nick Cannon and ‘dem babies’ Morrocan and Monroe along with her to a few of her shows Down Under. During their free time, the happy family spent time relaxing on the beach, where the hot mama got a chance to show off her amazing bikini bod, proving yet again just how much her workout regime is working.

Find out how she lost all that baby weight and keeps her bod in tip-top shape in our latest video…More Celebrity Features On Yahoo!: