Celebrity stylist Rachel Zoe has given birth to her second child.

The fashion designer and Tv star welcomed a son with husband Rodger Berman.

Announcing the happy news on Twitter.com on Sunday (22Dec13), the 42 year old writes, "So excited to welcome our baby boy into the world... he's 7 lbs 12 oz, beautiful, healthy and we couldn't be happier."

Zoe, who has dressed stars including Nicole Richie and Lindsay Lohan, is already mum to two-year-old Skyler Morrison.