ET’s with new mom, Rihanna. What she’s telling us about motherhood, new music, and what’s in store for the Super Bowl. Then, new details on Aaron Carter’s death. The 911 call and new details for his friend who was on the scene. Plus, Jessica Simpson responds after this video prompted concern for her health. And, Dolly Parton’s plans to leave country music? Then, it’s “Yellowstone” week on ET. And, Cole Hauser is ready to “RIP” right into some big reveals. Plus, is Victoria Beckham back with the “Spice Girls”?! What got her back with the band. Then, “Schitt’s Creek” star Dan Levy shows us around the set of his new show. And, Chris Hemsworth pushed to the brink. His new TV show in the world’s most extreme places.