Late Night with Seth Meyers Season 4 Matthew McConaughey, Mel B, Cameron Dallas Season 4, episode 47 Matthew McConaughey, Mel B, Cameron Dallas December 23, 2016 45 min Seth welcomes Matthew McConaughey, Mel B and Cameron Dallas. Previous episode Rachel Maddow, Kelly Osbourne, Mario Batali Next episode Jason Sudeikis, Michelle Monaghan, Van Jones