Bieber, 28, showed her support for her supermodel pal Kendall Jenner with screams and Instagram posts while sitting front row at Vogue World: Hollywood held at Paramount Studios in California on Sunday, Oct. 26.

On October 27, the supermodel popped up in New York City's SoHo while the dust still settled on the cinematic show. She debuted her first cold-weather look of the month, following back-to-back faux-autumn attire in L.A. It seems her suitcase was packed to the brim with elevated basics.