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Who's Who?See If You Can Unmask These Stars in Their Halloween Costumes

On Halloween (or the weekend leading up to it, let's be real) we thrill to check our Instagrams and see celebrities in Halloween costumes. Sometimes they're just like us and slap a cowboy hat or animal ears onto lingerie, and occasionally they get really meta and dress up as other celebs. But whatever they go as, we love the very idea of them playing dress up… and then immediately forget about their outfits by Thanksgiving.

So, in the spirit of the season, let's play a game! We dug through old Instagram photos and pulled out pictures of stars in their costumes from Halloweens' past, and it's up to you to guess who the celebrity is. Should be easy, right? After all, not every celebrity goes all out for the season (we can't all be Heidi Klum and slap on millions of dollars of prosthetics to conceal our identity).

Here's the catch, we hid everyone's face with a makeshift pumpkin mask. So even though you might feel like you've memorized every Kardashian-Jenner costume (and maybe you have, no judgment) you may do a double-take. And even if you love Halloween as much as Ariana Grande (JK, nobody loves Halloween as much as Ari), it may be a struggle to initially pinpoint her. After all, this is a girl who wore four, 'count em, four, Halloween costumes last year!

But don't worry, even if you're not able to see their faces, there could be telltale clues to who's who in each picture. Just pay a little bit of attention to the hair… and the prompts. And most importantly, no cheating!

Check out our gallery to see if you can guess the incognito celebrity!