(CNN) - Actor Tracy Morgan is expecting a new addition to his family.
Morgan's rep confirms the "30 Rock" actor and his model fiancée, Megan Wollover, are expecting their first child together.
Morgan already has three grown sons from a previous marriage. He recently told "Rolling Stone" magazine he would like to have a daughter one day.
No word when the baby is due.
The announcement comes as Morgan prepares to say goodbye to the show he's starred on since 2006.
On Thursday night, "30 Rock" will air its one-hour series finale on NBC.