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Dermot Mulroney will turn 61 this Halloween.Allen Berezovsky/WireImage/Getty Images
Halloween is the spookiest day of the year and one of the most fun.
These 20 celebrities get to enjoy double the celebrations.
The 20 celebrities on this list have been involved with some of the largest, most successful projects in Hollywood — Letitia Wright alone has appeared in three billion-dollar movies, and Dermot Mulroney starred in "Scream 6," joining one of the longest-running and most successful horror franchises of all time.
Another thing they have in common? They were all born on October 31.
Keep scrolling to see which celebrities share the spookiest birthday.