The Best Fashion Instagrams of the Week: Rihanna's Non-Met Gala Dress Fittings

Although Rihanna couldn't make it to this year's Met Gala (due to work-work-work-work-work obligations), she certainly had her own share of fancy dress fittings: She was tied into Adam Selman's layered princess sundress, and the singer's dutiful styling team put the finishing touches on a spring-ready frock that she paired with--what else?--a pair of Puma lace-ups. For those who did hit the red carpet Monday night, though, getting-ready pics were necessary. First-time guest and emerging style st...