Kimora Lee Simmons is expecting her fourth child!

This will be the first kid for the model/fashion designer and her husband Tim Leissner, whom she married in February. Kimora is four months along, according to Page Six, and the site reports that the couple celebrated at Gallaghers Steakhouse in Midtown New York on Saturday night.

Simmons, 39, has daughters Ming, 14, and Aoki, 12, with ex-husband Russell Simmons, and she also has a 5-year-old son Kenzo, with ex Djimon Hounsou.

“It’s true. Pregnant, happy – so far so good,” a source tells People mag. “[She's] cautiously optimistic. [The] girls are ecstatic.”