Dermot Mulroney is a dad again and has kept it under wraps for about half a year.

The "My Best Friend's Wedding" star and his girlfriend Tharita Cesaroni are the new parents of a baby girl who was born in April, reports Star Magazine.

The information came to light when the couple brought their daughter Mabel Ray, who is believed to have been born in April, to be baptized at San Pietro's Church in Roccascalegna, Italy on Saturday (Oct. 4). Pictures can be seen at the Italian site Histonium.net.

This is the second child for Mulroney, who has a 9-year-old son with ex-wife, actress Catherine Keener ("The 40-Year-Old Virgin"). Mulroney and Keener were married for 17 years before they separated in May 2005 and officially divorced in December 2007 due to "irreconcilable differences" that led to the "irredeemable breakdown of the marriage."

Mulroney's other film credits include "The Wedding Date," "Must Love Dogs," "Burn After Reading" and "Flash of Genius."