John Legend calls R. Kelly a 'serial child rapist,' has no regrets about participating in 'Surviving R. Kelly' docuseries

The first two parts of "Surviving R. Kelly" which Kelly has threatened legal action over, aired Thursday and quickly had Twitter churned up with its disturbing details about Kelly’s purported marriage to Aaliyah, who was just 15, and the other extensive sexual abuse allegations against him. John Legend — the only musician to appear in the doc — found himself getting accolades for his participation in the controversial project.