11/08/2011 AT 8:45 PM ET
And now, she’s positively ecstatic about unveiling her hot new post-baby body after losing, she says, a full 70 lbs.
On Tuesday’s episode of The Rosie Show on OWN, Carey, 42, was lowered diva-style onto the stage riding on a crescent moon and wearing a skin-tight black mini-skirt and cleavage-baring leather jacket.
She then explained her new physique was courtesy of a strict diet and exercise – along with the loss of what she says is about 40 lbs. of water due to a difficult pregnancy.