Molly Sims expecting second child

Molly Sims just made a big announcement, with the help of her little guy.

The former model revealed on her website Tuesday that she's pregnant with her second child.

She and husband Scott Stuber are already parents to 2-year-old son Brooks, who made a cameo with Sims in a photo sharing the baby news.

"I can't even being to explain just how excited we are for a new baby. We are so, so, so blessed as a family, and I'm speechless at the fact that we have the opportunity to bring a second bundle of joy into the world," she wrote.

"As a new mom to Brooks, an entire world of motherhood opened to me along with a thousand and one questions," she added. "I absolutely cannot wait to see what life will be like as a mother to a toddler and a newborn, and I really can't wait to see Brooks as an older brother to Baby #2! I just know that he's going to be preciously protective. If it's a girl, he'll be her biggest supporter and confident and if it's a boy, I know they'll be the best of friends, always getting into adventures together."

Sims, 41, finished her note with, "Scott, Brooks and I can't wait to welcome Baby #2 to the Sims-Stuber household!!"