Neil Patrick Harris is about to follow in the footsteps of his "How I Met Your Mother" costars -- and first-time parents -- Alyson Hannigan and Cobie Smulders.
The actor, 37, and his longtime partner, chef and actor David Burtka, are expecting twins.
Harris, who recently directed a production of "Rent" at the Hollywood Bowl, is nominated for three Emmys for his work on CBS' "How I Met Your Mother."
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