Kourtney Kardashian has just announced that she's expecting baby number three , and at this point, the mom-to-be has her signature maternity style down to a science. Throughout her first two pregnancies, Kourtney stayed true to her trendsetting ways , keeping things glam on the red carpet with flowing goddess gowns and pops of neon color. On the street, it was all about leather leggings, boho tops, and her best accessories: Mason and Penelope. Join us for a look back at Kourtney's best maternity looks and a hint of what's in store for the next nine months.
Sources: Instagram user kourtneykardash  and Getty 
Kourtney shared this snap with almost-2-year-old Penelope from her sister Kim's recent pre-wedding extravaganza in Paris. Her chic fedora was the perfect topper for the face of pure indulgence!
Source: Instagram user kourtneykardash 
While she was pregnant with baby Penelope, Kourtney attended the E! Upfronts in New York City wearing a simple-chic black Gomez-Gracia dress and neon accessories, including Alexander McQueen  shoes and a DIY  necklace.
E! Promo Pics
For the promo photos for a new season of Keeping Up With the Kardashians, Kourtney wore a bump-hugging printed minidress.
Source: E! Online 
For boyfriend Scott Disick's restaurant opening, Kourtney wore a comfy but chic T-bags  dress and a Bottega Veneta  clutch. Her earrings were from her very own Kardashian Kollection.
For a taping of Rachael Ray  in New York, Kourtney wore a Cynthia Vincent  dress over Mason leather leggings with Christian Louboutin  pumps.
Lady in Red
In NYC while pregnant with Penelope, Kourtney wore a ladylike Pinkyotto dress, Christian Louboutin  pumps, and a Celine bag.
While shopping in NYC with Khloe and Lamar Odom, Kourtney wore a boho Tt Collection top, Alice + Olivia leggings, Chanel boots, and a Celine bag.
Kourtney wore a white and gold Raoul gown to Elton John's 2012 Oscars viewing party.
For an event in Hollywood, Kourtney went old-school with a vintage Janey Lopaty dress, vintage clutch, and brand-new Christian Louboutin  pumps.
While pregnant with Penelope, Kourtney was spotted wearing a Kardashian Kollection top, Donna Karan  leggings, Jimmy Choo  boots, her dad's vintage bolo tie, a vintage fringe bag, and a Hat Attack hat.