Kim Kardashian vs. Kendall Jenner: Who's Having the Best Week Ever?

Kim wrote the book on keeping up with a Kardashian, but can her little sis one-up her? We imagine how Kris Jenner would decide

FEB. 13: KIM

We think Kris would give this day a … 3
Proof vintage is always in: "TBT," wrote Kardashian, sharing her glamorous throwback portrait from a 2012 Vijat Mohindra photo shoot on Instagram.