See Mariah Carey's Post-Baby Body in a Bathing Suit!

Mariah Carey is busy whipping her body back into shape after giving birth to twins on April 30. And the singer looks great! Mariah Tweeted a picture of herself in a swimsuit, as she worked out in the ocean yesterday!

"Ocean work out! It's been a loooong time since I've been in the ocean(said like "OPEN"in cruise control)," she Tweeted, along with a photo of herself in a black-and-teal one-piece suit, sunglasses and a black visor.

OK! NEWS: MARIAH CAREY TWEETS PHOTO OF TWINS & STEPS OUT IN PUBLIC WITH PERSONAL TRAINERS!

Mariah's arms look really toned in the picture; we bet it's from picking up and caring for her babies, Moroccan and Monroe Cannon!

The hot mom was seen out in public this past month working with personal trainers. She is on a mission to get her pre-baby body back!