Check out Holly's painted-up bump below:
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Hilary Duff posted a picture of her painted up (and bare) bump on Twitter during the holiday season. The actress <a href="http://www.huffingtonpost.com/2012/03/22/hilary-duff-baby-boy-luca-cruz-comrie-mike-comrie_n_1294739.html">gave birth to her first child</a>, son Luca Cruz Comrie, in March 2012.
Amber Rose took to Twitter<a href="https://twitter.com/DaRealAmberRose/status/247685961947955200"> to share this photo</a> of her blossoming baby bump on September 17. She is <a href="http://www.huffingtonpost.com/2012/09/06/amber-rose-pregnant-wiz-khalifa-baby_n_1840309.html">expecting her first baby</a> with fiance Wiz Khalifa later this year.
Megan Fox put her baby belly on full display as she sported a leopard-print bikini and a flowing maxi skirt while celebrating her second anniversary with husband Brian Austin Green in Hawaii in June. This will be the first baby for Fox. Green has a 10-year-old son, Kassius, with his ex Vanessa Marcil.
Alanis Morissette took to Twitter to show off a photo of her bare baby bump covered in Henna tattoos. The singer <a href="http://www.people.com/people/article/0,,20446869,00.html">gave birth</a> to son Ever, with husband Mario Treadway in December 2010.
Gisele Bundchen <a href="http://www.x17online.com/celebrities/gisele_bundchen/gisele_pregnant_bikini_costa_rica_tom_brady_baby_bump_benjamin_photos_072412.php">showcased her growing baby bump</a> in a silver bikini in Costa Rica in July 2012. The model and her husband Tom Brady are expecting their second child together later this year.
Camila Alves flaunted her baby bump in a bikini while vacationing with her husband Matthew McConaughey and their two kids, Levi, 4, and Vida, 2, in Ibiza, Spain, in August 2012. She's one hot mama!
Marisa Miller, who is used to modeling bikinis for Victoria's Secret, <a href="http://celebritybabies.people.com/2012/09/10/marisa-miller-pregnancy-blog-third-trimester/">shared a photo</a> of her bare bump in September. She also <a href="https://twitter.com/marisamiller/status/246334591747629056">tweeted a photo</a> of her in a bikini, as well! The model is expecting her first child -- a boy! -- with husband Griffin Guess in early December.
Vanessa Lachey and her husband Nick Lachey posted a picture of her bare bump weeks before they <a href="http://www.huffingtonpost.com/2012/08/22/nick-lachey-vanessa-lachey-baby-boy-camden-john_n_1823217.html">welcomed their first child</a>, son Camden John, on September 12.
Alessandra Ambrosio showed off her bikini bump with a little help from her daughter, Anja, before the model <a href="http://www.facebook.com/AlessandraAmrosioGeorgia/photos?ref=ts">welcomed her son</a>, Noah, in May 2012.
Tori Spelling strutted her pregnant stuff in a bikini while spending Memorial Day on the beach with her family in May 2011. Spelling gave birth to daughter Hattie in October 2011 and immediately got pregnant again, <a href="http://www.huffingtonpost.com/2012/08/31/tori-spelling-welcomes-baby-boy_n_1845449.html">welcoming son Finn</a> on August 30, 2012.
Jessica Alba bikini'ed up her baby bump while on holiday in Cabo San Lucas on May 13, 2011. She gave birth to <a href="http://www.huffingtonpost.com/2011/08/14/haven-garner-jessica-alba_n_926791.html">her second daughter</a>, Haven Garner, with husband Cash Warren in August 2011. Alba also has a 4-year-old daughter, Honor Marie.
David Beckham <a href="https://www.facebook.com/Beckham">captured this candid photo</a> of pregnant wife Victoria Beckham while she was pregnant with their daughter, Harper Seven, now one years old.
A pregnant Miranda Kerr posed nude for <a href="http://www.vogue.com.au/"><em>Vogue</em> Australia</a> before she <a href="http://www.huffingtonpost.com/2011/01/12/miranda-kerr-baby-orlando-bloom_n_807906.html">welcomed her son</a>, Flynn, with hubby Orlando Bloom in January 2011. The Australian model also bared her bump in a more intimate shoot for <em>W</em> Magazine.
A pregnant Nicole Richie rocked a bikini when she was expecting her first child, daughter Harlow, now 4. She has since welcomed a son, Sparrow, 3, with her husband Joel Madden.
Britney Spears sported her baby bump in a green bikini while enjoying some rest and relaxation with her sister Jamie Lynn Spears in March 2005. The pop star gave birth to her first child, Sean Preston, that September. She and her husband Kevin Federline welcomed their <a href="http://www.huffingtonpost.com/2012/01/12/britney-spears-kids-sean-preston-jayden-gymnastic-fun_n_1202740.html">second son</a>, Jayden James, in September 2006 before getting divorced in July 2007.