We have '80s royalty in the house — Molly Ringwald is here! She's giving us the scoop on her hit show "Riverdale" and dishing on what it was like to watch "The Breakfast Club" with her own daughter. Plus, multi-Grammy winner Questlove is in the kitchen popping up some corn with Rach! And financial coach Lauren Greutman is teaching you how you can save $5,000 in 2019. (You heard us!) Then, pasta night is ON with a healthy fake-out — Rach's Fettuccine Alfredo made from cauliflower!