1 / 10

Red-Hot Mama - Kourtney has a knack for mixing ladylike and trendy pieces for a style that’s hot both on and off the red carpet, so it’s no wonder she looked just as fabulous while pregnant with her 2-year-old son, Mason, back in 2009. The reality star-designer-boutique owner will be pulling out another round of flowing dresses and forgiving pants as she just announced she’s having a baby girl! Let’s take a look back on how Kourt kept it fly during her first pregnancy. Can’t wait to see what she’ll rock this go round! (Photo: Juan Sharma/Bruja/PacificCoastNews.com)

2 / 10

Sweet Staples - For casual occasions, Kourtney’s maternity style was highlighted by comfy leggings and jeans paired with tunic tops, loose outerwear, flats and boots with trendy pieces. This effortlessly chic outfit — divafied by cat-eyed shades — would be a good look for any woman, pregnant or not. (Photo: Brabus/PacificCoastNews.com)

3 / 10

Working Woman - A very pregnant Kourtney kept it tight and still exercised during her first pregnancy. But who said staying in shape had to look frumpy? Kourtney sweated it out in a blue maternity fitness tank, leggings and cool shades. (Photo: Sam Sharma/PacificCoastNews.com)

4 / 10

No Grey Area - This reality star never shied away from showing off her pregnancy (she eventually delivered Mason on TV!) and wore belly-baring tops, tight dresses and even minis while she was expecting. Her sister Kim told a reporter that rather than buy maternity clothes, Kourtney raided the closet of her much-taller sister Khloe. (Photo: Hector Vasquez/ PacificCoastNews.com)

5 / 10

Red Carpet Glow - Like several pregnant fashionistas, Kourtney chose a figure-flattering empire-waist gown when it was time to get dolled up for the Emmys in 2009. She finished the look with flowing hair, natural makeup and a warm expecting mom glow. (Photo: Frazer Harrison/Getty Images)

6 / 10

Passed Your Bedtime - Kourtney kept it sexy for her nights out on the town and when she wasn’t wearing leg-bearing minis, she chose sleek looks like this all-black ensemble punched up with a sequined jacket and a luxe bag. (Photo: Hellmuth Dominguez, PacificCoastNews.com)

7 / 10

The Fine Print - A splashy top kept the expecting mom comfortable and looking cool while her ankle boots gave the outfit a bit of edge without killing her feet.(Photo: James Breeden/Bret Thompsett, Pacificcoastnews.com)

8 / 10

Mile-High Heels - Don’t get it twisted though, like Beyoncé, Kourtney never abandoned her stilettos even when it looked like she was about to pop! The reality star got dressy in a black sheath and got a lift with these pumps for a dinner date with the fam. (Photo: Perkins, Sharma/ PacificCoastNews.com)

9 / 10

Baby Blues - In the last weeks of her pregnancy, Kourtney wore an unofficial uniform of oversized plaid shirts, leggings and flat boots while running errands. Here she made the understated pieces look fabulous while visiting the doctor with her beau, Scott Disick.  (Photo: Sam Sharma/ Nathanael Jones, PacificCoastNews.com)

10 / 10

Take Cover - Even though she still enjoyed form-fitting clothes during her pregnancy Kourtney kept it balanced. A casual-chic vest added a little modesty to leggings and a tank. (Photo: WENN.com)

Photo By Photo: WENN.com