Rose has admitted she has noticed a change in her 28-year-old friends personality, and credits the "Keeping Up With the Kardashians" star for bringing Chyna out of her shell, reported E! Online.
Speaking about the couple's relationship, Rose said, "They're just really full of personality and all over each other constantly. They're just a really cute couple.
"She is shy in a lot of ways, but I think Rob brings a lot of that out of her.