HOLLYWOOD, CA - MAY 10: Rob Kardashian and model Blac Chyna attends Birthday Celebration And Unveiling Of Her "Chymoji" Emoji Collection at Hard Rock Cafe, Hollywood, CA on May 10, 2016 in Hollywood, California. (Photo by Leon Bennett/FilmMagic)
HOLLYWOOD, CA - MAY 10: Rob Kardashian and model Blac Chyna attends Birthday Celebration And Unveiling Of Her "Chymoji" Emoji Collection at Hard Rock Cafe, Hollywood, CA on May 10, 2016 in Hollywood, California. (Photo by Leon Bennett/FilmMagic)