Jessica Simpson's son has a new playmate.  Her best friend CaCee Cobb became a first time mom on Thursday,

"Yesterday @caceecobb and I welcomed the most amazing little boy into our lives! Oh Happy Day!!" Cobb's actor/husband Donald Faison  tweeted  on Friday.

Faison is already dad to four kids from previous relationships but Cobb welcomed all the pregnancy and parenting advice she could get from Simpson.