Kimora Lee Simmons welcomes baby boy

Kimora Lee Simmons and hubby Tim Leissner are celebrating the arrival of their first child together, USA TODAY has confirmed.

His name: Wolfe.

The model/entrepreneur/fashion designer and her financier hubby tell People they are "filled with joy, adoration and gratitude."

Simmons, 39, is doing well after the delivery, and Leissner, 45, is "ecstatic," says People. No other birth details were available.

Simmons is already mom to daughters Ming, 15, and Aoki, 12, with Russell Simmons, and son Kenzo, 5, with Djimon Hounsou. Leissner is dad to two daughters, 9 and 12, from a previous relationship.