Charlie Sheen and ex-wife Denise Richards hugged on the red carpet in a head-turning moment. Twenty years after their bitter divorce, Richards stood by Sheen's side at the #LosAngeles premiere of his tell-all Netflix #documentary "aka Charlie Sheen." Sheen's downward spiral peaked in 2011 when he was fired from his hit show "Two and a Half Men." Sheen says he's been sober for eight years. | Inside Edition