Sister Khloe accompanied the star to the E! Network upfront event on May 15.
Kim kept her look simple with natural makeup and minimal jewelry.
The mom to daughter North, 11 months, celebrated her bridal shower in Beverly Hills on May 10.
As RadarOnline.com previously reported, West’s pal Jay Z will attend the upcoming nuptials as Best Man.
On May 13, Kim and Khloe partied with the 29-year-old’s new boyfriend, French Montana, at West Hollywood nightclub Penthouse.
The pair were spotted leaving LAX airport together on May 14.
Kim and Khloe will soon head to Paris, where the bride and groom will host a rehearsal dinner May 23.
Kim Kardashian is hardly a blushing bride! The reality star, 33, who weds rapper fiancé Kanye West May 24, left her New York City hotel in a low-cut, curve-hugging black dress on Thursday.