Ali Larter says her new baby -- born Monday -- is the "perfect Christmas present."

The actress welcomed a healthy baby boy early Monday morning in Los Angeles, her rep tells Both mom and baby are said to be resting comfortably. "He's our perfect Christmas present," the new mom told Us.

While promoting her new movie "Resident Evil: Afterlife," Ali let her baby's gender slip, saying, "Well, after watching these movies and hearing all the gunfire I don't know what he's - it's - going to turn out like," the actress told Fox News.

Larter and her writer/actor husband Hayes MacArthur married in August 2009 and have been engaged since December 2007. This is their first child together.

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