At age 42, Mariah Carey left zero doubt that she is still a red hot bikini babe.
The mother of twins showed off her physique in a red two-piece during some down time in Australia, where she's on tour for the first time in 15 years.
Check it (and her) out:
Kids Moroccan and Monroe were born in April 2011. Carey says she shed 70 lbs. after giving birth to the twins, crediting Jenny Craig, and it shows.
How does she stack up to other beach bods? Peep THG's bikini photos and see!