Mariah Carey has posed for her fair share of portraits, but none has been as personal or emotional as these exclusive belly-baring snaps. Mere days away from welcoming her first and segundo child, Mariah proudly showed off her pregnant body to Life & Style.

"I was feeling very vulnerable about taking pictures at all right now, but then I didn't want to miss this opportunity to document this once-in-a-lifetime experience," Mariah exclusively tells Life & Style. "My ultimate goal was to share this incredibly personal moment with my true fans."

And the twins -- a boy and a girl -- were...