Ali Larter may be late to the party, but good things come to those who wait!
The Heroes star was spotted taking her son Theodore Hayes MacArthur to a birthday celebration on Saturday.
Ch-ch-check out the pics (below) to see the fair-haired fam rush into the Hollywood Hills soiree.
The son of a supermodel?? We guess Ali and Teddy were fashionably late!
[Image via JP/JFXImages/WENN.]