Gillian Anderson is a mom again! The "X-Files" star and her boyfriend Mark Griffiths gave birth to a baby boy named Felix Griffiths, according to People.com.

Per the star's rep, Felix was born Oct. 15 in London and weighed in at 6 pounds, 15 ounces. This is the second child for the 40-year-old star with Griffiths, joining their one-year-old son Oscar. Gillian also also has a 13-year-old daughter named Piper from her previous marriage.