Jake Gyllenhaal has revealed that he does his best to wear his "sluttiest outfit" every Halloween.
Revealing that his father Stephen Gyllenhaal is "obsessed" with the holiday, he recalls some of the times he and sister Maggie Gyllenhaal were forced to wear elaborate costumes for the occasion.
Speaking to Conan O'Brien, he listed some of his worst outfits: "[I was] an Ocean Spray cranberry juice box ... a cardboard box the size of my body with a straw that was made out of cardboard, and I wore a white spandex suit, and my hands came out of it, and you put the candy in the straw. It was a whole thing!
"It was like a month-long promenade toward Halloween - we designed it, there were drawings, every day after I finished my homework I had to do it with him.
"I was an Oreo cookie once, that was like that soft sort of foam and he cut it out - it looked like a 3D Oreo cookie and I wore, again, white spandex."
But the most outlandish outfit of all came with a battery pack when he was a lit-up house.
"The ultimate one he did one year was I was a house. It was a house with different scenes in each window, and there were lights that lit it up, and I wore a f***ing battery backpack.
"It's not even done... and it fit on top of my head, I could only see out of the one window. The chimney was where you put the candy in. I could not hear a thing, I couldn't walk in it, and my Dad was so proud of himself."
UK fans can see the interview in full on Conan at 11pm on Monday, November 3 on truTV (freeview channel 68).
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