There are two types of people in the world: Those who’ll admit to looking up their partner’s exes on social media and those who are lying. Basic, Chelsea Devantez’s expansion of her own 2020 short, builds itself around this embarrassing but universal truth. Following a brokenhearted woman whose obsession with her ex’s ex comes to a head one lemon-drop-fueled night, the comedy serves tragically relatable laughs all the way into some genuine (if hardly groundbreaking) wisdom. In Ingrid Goes West fashion, our early introduction to Gloria (Ashley Park) is of her lying in the dark, furiously scrolling through Instagram posts by the impeccably dressed Kailynn (Leighton Meester), apparently a model-pretty influencer clad in flashy dresses or tiny bikinis. Emphasis on furiously: Gloria’s internal monologue swings between imagining Kailynn’s perspective in the most mocking tone she can muster and bitterly picking her apart for being vain, vapid and, above all, basic. Basic The Bottom Line Hardly basic. Venue: SXSW Film Festival (Narrative Spotlight)Cast: Ashley Park, Leighton Meester, Taylor John Smith, Nelson Franklin, Kandy Muse, Ashley Nicole …