I have always loved this stripe from Prada -- it actually kind of reminds me of an old-school Kate Spade handbag, which is a compliment? -- and was thrilled to see them dig it up from the archive. You might remember it from Hailee Steinfeld's True Grit awards run, specifically the 2011 SAG Awards:
I don't think I can pick a favorite version. Each one seems perfect for the wearer, the context, and delightful on its own merits. What a rare thing.