Kim Kardashian West:
Who also broke the rules and snapped this selfie with Gigi and Kendall (we love the fashionable rebellion)...
She also shared this clip of designer Brandon Maxwell turning her red carpet gown into an after-party mini with just a few snips:
Karolina Kurkova had to stand in a Sprinter van because her Marchesa gown (made in partnership with IBM Watson) was so intricate:
She also gave us a sneak peak at her handbag essentials:
Joan Smalls has a little pre-Met Gala fun with Olivier Rousteing:
Solange Knowles, Willow Smith and Amandla Stenberg also broke the no-phone rule for this impromptu sing-along:
Kate Upton, ahead of announcing her engagement to Justin Verlander on the red carpet:
And Zac Posen shared these videos of his amazing light-up dress worn by Claire Danes. Did someone say Cinderella moment?