Pregnant celebs bare their bumps Previous Gallery Next Gallery 1 / 13 Singer Shakira poses while pregnant with Spanish soccer player Gerard Piqué in a photo from UNICEF to promote their online baby shower to support vulnerable babies. 2 / 13 AP Atlanta Real Housewife Kim Zolciak made waves when she appeared in a bikini -- at six months pregnant -- on the cover of Life & Style magazine. 3 / 13 AP Demi Moore's iconic 1991 Vanity Fair cover was the first in a long line of magazine covers featuring nude or scantily clad pregnant female celebrities. 4 / 13 AP Supermodel Eva Herzigova posed for Italian Vanity Fair in 1997 wearing nothing but her underwear, thigh-high socks and a cardigan. 5 / 13 AP Supermodel Cindy Crawford pulled a Demi with her own 1997 W cover when she was seven months pregnant. 6 / 13 AP Project Runway host and supermodel Heidi Klum wore a lacy chemise to appear on the cover of Vitals Woman in 2005 while she was pregnant with her second child. 7 / 13 AP Actress Milla Jovovich wrapped a gauzy curtain around herself for a 2007 Jane magazine photo shoot. 8 / 13 AP Actress Monica Bellucci ("The Brothers Grimm," "The Passion of the Christ) posed for Italian Vogue during two of her pregnancies -- once completely nude and once in black lingerie. 9 / 13 AP Britney Spears showed off her bump not once, but twice, while she was pregnant with her second son in 2006 -- the first time sans clothes for Harper's Bazaar and three months later in a revealing bikini for Q Magazine. 10 / 13 AP Christina Aguilera chose a slightly more demure pose with a cropped jacket for her 2008 Marie Claire cover. 11 / 13 AP Supermodel Claudia Schiffer bared it all in 2010 on the cover of German Vogue while she was pregnant with her third child. 12 / 13 AP Actress Paula Patton -- who starred in "Deja Vu" and "Precious" and is married to R&B singer Robin Thicke -- posed in a belly-baring toga dress for a 2010 Ebony photo shoot. 13 / 13 AP Victoria's Secret model Miranda Kerr posed topless for W magazine in 2010 when she was six-and-a-half months pregnant with her first child (actor Orlando Bloom is the father).