Kourtney Kardashian's maternity style is comfy yet chic.

EXCLUSIVE: Zappos Executives Dish on Fall Fashion Trends

The 35-year-old reality star was spotted with her two children - Mason, 4, and Penelope, 2 - over the weekend in Calabasas, Calif. sporting a Tees by Tina maxi dress with a snake-print pattern. She complemented the dress with a chambray button-down and a pair of gladiator sandals.

The snake maxi dress comes in three colors and sells for $120 on the company's website.

Kourtney Kardashian & Stacy Keibler Wear Same Dress

This isn't the first time the fashionista sported a dress by the American clothing company. In late July, Kardashian spent the day sailing in the Hamptons while wearing a Tees by Tina maxi dress with nautical stripes. She shared the moment on Instagram with the caption, "A boaters life for me." Kardashian's snug-fitting dress, which was perfect for the summer outing, can be purchased online for $85.

Kardashian, who just released a children's clothing line along with her famous sisters, Kim and Khloe, is expecting her third child with boyfriend Scott Disick. The star announced the happy news in June during an episode of her family's hit E! reality show Keeping Up With The Kardashians.

-- Anna Halkidis is a multimedia journalist, who earned her master's degree from the CUNY Graduate School of Journalism in 2012. Her work has appeared in Newsday, Women's eNews, The Mott Haven Herald, as well as other publications. Follow her on Twitter.