Kourtney Kardashian Kim wasn't even the first Kardashian to pose nude while pregnant. Her sister Kourtney did it first for DuJour Magazine's December 2014 issue.
Demi Moore Who can forget Demi Moore's 1991 Vanity Fair cover? While posing nude while pregnant seems pretty common for celeb moms-to-be these days, in the '90s it was considered so scandalous that some stores wouldn't even carry the issue.
Kelly Rowland The Destiny's Child songstress bared it all in a shoot for Elle Magazine last October. She was merely weeks away from giving birth to her son, Titan Jewell Witherspoon.
Mariah Carey While pregnant with twins Monroe and Moroccan, Mariah showed off her bare belly for the April 2011 cover of Life & Style Weekly.
Christina Aguilera Christina's a pro when it comes to this. She's posed nude while pregnant twice - first for her Marie Claire cover in 2008, then again in 2014 for V Magazine.
Britney Spears While expecting her second child, Britney Spears indulged in a luxurious photo shoot for the August 2006 issue of Harper's Bazaar.
Paula Patton Paula and her pregnant belly graced the cover of Ebony Magazine in May 2010.
Cindy Crawford Supermodel Cindy Crawford looked stunning on the cover of W Magazine in June 1999.
Jessica Simpson A pregnant Jessica Simpson graced the cover of Elle Magazine in April 2012. The issue served as her announcement that she and then-fiance Eric Johnson were happily expecting.
Nia Long A nude and pregnant Nia Long looked ethereal on the cover of Ebony Magazine in November 2011.