In honor of April Fools' Day, we're celebrating our favorite Hollywood prankster, Ellen DeGeneres. She has a way of making even the hunkiest of stars (looking at you, Channing Tatum) cower in fear at her antics. Whether it's DeGeneres herself or one of her crazily-costumed staff doing the scaring, it never gets old watching her typically poised celebrity guests get completely caught off guard.
Here are some of our favorites, in GIF-form:
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