Kim Kardashian, Cardi B Mimic TMZ Selfie Tour During Balenciaga Show

A gaggle of celebs posed on the streets of L.A. Saturday -- on a street lined with palm trees -- and it got us shamelessly thinking ... they've taken a page from our new TMZ Selfie Tour!!! Cardi B, Kim Kardashian, Nicole Kidman, Kendall Jenner,…