HOLLYWOOD, CA - MAY 10: Rob Kardashian and Blac Chyna arrive at her Blac Chyna Birthday Celebration And Unveiling Of Her "Chymoji" Emoji Collection at the Hard Rock Cafe on May 10, 2016 in Hollywood, California. (Photo by Greg Doherty/Getty Images)
HOLLYWOOD, CA - MAY 10: Rob Kardashian and Blac Chyna arrive at her Blac Chyna Birthday Celebration And Unveiling Of Her "Chymoji" Emoji Collection at the Hard Rock Cafe on May 10, 2016 in Hollywood, California. (Photo by Greg Doherty/Getty Images)