After an impromptu performance of his hit "Summertime," Will Smith sat down with Stephen Colbert on Tuesday's Late Show to discuss Suicide Squad, why he didn't let his costars give him a tattoo, and the difference between being 40 and 20. Then Colbert shifted to his recurring "Big Questions With Even Bigger Stars" segment, asking Smith, "Are you a deep person?" "Oh, hell yeah," Smith replied.