Neil Patrick Harris dons creepy skull mask in NYC

It's one of the perks of Halloween for celebrities wishing to hide their identity.

Neil Patrick Harris, 44, hid behind a creepy skull mask in New York City on Tuesday as he stepped out with husband David Burtka, 42 and the couple's twins Gideon and Harper, seven.

The family of four headed out of from their apartment for a trick-or-treating excursion showing off another set of costumes after debuting their old-time carnival creations the day before. 

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Fun continues! Neil Patrick Harris and husband David Burtka took their twins Gideon and Harper out for trick-or-treating in New York City on Tuesday

Fun continues! Neil Patrick Harris and husband David Burtka took their twins Gideon and Harper out for trick-or-treating in New York City on Tuesday

David followed suit in a black outfit with skeleton design as he covered up his face with a horned skull mask.

Harper looked like a zombie ballerina with white face makeup and her hair up in an elegant bun.

She clutched a pumpkin shaped bag as she held on to her dad's hand while crossing the street.

Gideon was dressed as a Pokémon trainer, wearing a blue and green outfit with baseball cap and carried a Poké Ball. 

Family fun! Harper appeared to be a zombie ballerina while Gideon was dressed as a Pokemon trainer

Family fun! Harper appeared to be a zombie ballerina while Gideon was dressed as a Pokemon trainer

Creepy! Harris, 44, and Burtka, 42 donned scary skull masks but kept their outfits relatively simple for the outing

Creepy! Harris, 44, and Burtka, 42 donned scary skull masks but kept their outfits relatively simple for the outing

Creepy! Harris, 44, and Burtka, 42 donned scary skull masks but kept their outfits relatively simple for the outing

The family were photographed heading to nice neighborhood to trick-or-treat. 

Neil and David pulled out all the stops for their family costumes unveiled on Monday night on Instagram. 

The family-of-four were perfectly dressed as an old-time carnival crew in the hilarious image posted on social media.

Festive: The foursome left their New York apartment and drove to a local neighborhood for trick-or-treating

Festive: The foursome left their New York apartment and drove to a local neighborhood for trick-or-treating

Best dressed: It was the second time the family showed off their impressive costumes as on Monday evening they all dressed as carnival people

Best dressed: It was the second time the family showed off their impressive costumes as on Monday evening they all dressed as carnival people

Dressed to thrill in a red and gold striped vest, Neil carried

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