You don’t have to be a Kreayshawn fan to appreciate the new mini-doc Someone Special, but it helps. Glimmers of the goofy star to come shine through when she flails around to “Oochie Wally” with a friend, and during a parody of the reality show Cheaters (V-Nasty, one of Kreayshawn’s longtime cohorts, can be seen in this skit). But just as importantly, it documents a kind of youth that may no longer exists. Director Deja Spears says she was approached by tearful attendees in their teens and early 20s: “They can’t really recall a time where they were able to film something without the idea of an audience inside of their head. “I think the biggest part of it was feeling like I had missed out on a piece of my adolescence and clamoring on to everyone else’s. My mom and I had a storage unit full of all of our things and we lost all of it. So I’m just obsessed with gazing into everyone else’s lives and seeing their teenage experiences. I collect yearbooks from the ‘70s. I have Victorian-era...