Everyone harbors a tiny little secret dream to one day run into their favorite celeb. In this dream, they think they'll play it cool, nod at the A-lister, get a half-smile, possibly a wink in return, and have a great story to tell friends after. But if the following 18 photos curated by the great people of Reddit are any indication, no one keeps their cool around a Hollywood star. And it's awesome.
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