Halloween makeup can get pretty crazy-looking, but we've never seen something quite like this.

Beauty guru Promise Phan -- aka Michelle Phan's sister-in-law -- posted this "Trippy 'Face in a Face' Halloween Make-up" tutorial on her YouTube page. After watching this stunning transformation, we were left... well, speechless. Watch the video above to find out how to get this creepy look:

Whoa.

Who knew?

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  • Catherine Zeta-Jones

    To keep 'em shiny, Zeta-Jones reportedly cerveza-s her strands. "I do condition my hair with honey and beer," the actress has said, <a href="http://www.dailymail.co.uk/tvshowbiz/article-1128664/The-beer-shampoo-strawberry-toothpaste-keeps-Catherine-Zeta-Jones-looking-youthful.html" target="_hplink">according to the <em>Daily Mail.</em></a> "I smell like the bottom of a beer barrel for days afterwards, but it's very good for the hair."

  • Snooki

    The Jersey Shorette once chatted with Conan about one of her beauty "tricks" -- using cat litter (yes, cat litter) as an inexpensive exfoliant. According to <a href="http://thegloss.com/beauty/snooki-cat-litter-688/" target="_hplink"><em>The Gloss,</em></a> when the host asked if Snooks had any concerns about the strong chemicals in the litter, she shrugged: "I haven't broke out at all yet."

  • Joan Crawford

    <a href="http://www.oprah.com/style/Beauty-Advice-from-Vintage-Books-By-Celebrities" target="_hplink">According to <em>O, The Oprah Magazine,</em></a> the legendary actress dished on some of her favorite beauty tips in her book "My Way of Life." Her recipe for treating dry hair? A "masque" of mayonaise.

  • Jessica Simpson

    Simpson caught a lot of flack for her questionable teeth-cleaning techniques, copping to forgoing regular toothbrushing in favor of mouth wash and a good ol' swipe with whatever she's got on. Like, on her person. <a href="http://www.usmagazine.com/celebrity-body/news/jessica-simpson-i-dont-brush-my-teeth-2010123" target="_hplink">As <em>UsWeekly </em>reports,</a> the crooner turned fashion mogul told iheartradio: "Sometimes, I'll use my sweater!"

  • Teri Hatcher

    According to reports, the actress doesn't just drink wine, she also dips in it. <a href="http://www.daytondailynews.com/blogs/content/shared-gen/blogs/dayton/wine/entries/2006/05/13/desperate_house.html" target="_hplink">As the <em>Dayton Daily News </em>wrote,</a> Hatcher's been known to dump leftover wine into the tub in order to help soothe her skin. "Wine has a natural skin softener and exfoliant in it, and it just makes you feel luxurious," the oenophile said.

  • Cindy Crawford

    To keep her supermodel looks, Crawford reportedly turns to milk. <a href="http://www.dailyglow.com/blogs/skin-and-hair-care/weird-wacky-yet-effective-celebrity-beauty-tips" target="_hplink">According to the <em>Daily Glow,</em></a> she mixes a little with water and sprays it on her face throughout the day.

  • Victoria Beckham

    <a href="http://www.elle.com/Beauty/Makeup-Skin-Care/Exotic-Celebrity-Beauty-Secrets/(imageIndex)/9/(play)/false" target="_hplink">According to <em>Elle,</em></a> Beckham is a fan of the so-called Geisha facial -- a.k.a, the bird poop technique. <a href="http://www.shizukany.com/geisha-facial.html" target="_hplink">The New York spa that offers</a> the treatment claims that powdered nightingale droppings are used to help exfoliate the skin. It says it was once the preferred technique of geishas.

  • Heather Locklear

    Heather Locklear told reporters that <a href="http://www.huffingtonpost.com/2013/04/17/semen-anti-aging_n_3101168.html?utm_hp_ref=style&ir=Style" target="_blank">she uses "semen" on her face</a> as an anti-aging product. While we don't know if she was being completely serious, we do know that some studies have shown semen to contain antioxidants that smooth skin and reduce wrinkles. Who knew?

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