Ali Larter and husband Hayes MacArthur recently welcomed a son named Theodore, who is their first child.
The 34-year-old former "Heroes" actress had announced in July that they were expecting a baby and said it was a boy during an interview on "Late Night With Jimmy Fallon" in September. Larter gave birth on Monday morning, People magazine, the actress' spokesperson confirmed to OnTheRedCarpet.com.
Larter married MacArthur, a writer and actor, in Kennebunkport, Maine in August 2009. He starred in the short-lived CBS comedy series "Worst Week" and also had a role in the film "She's Out of My League".