The legendary Alan Alda is in the kitchen with Rachael today, making his four-ingredient Italian pasta bake! Plus, two fashion pros face off in an epic battle, showing you how to pull off the hottest holiday outfits with a few key items. (They create nearly 20 outfits each!) Then, we meet a Philly barber who's using haircuts to help give his neighbors the opportunity for a better life. And Rachael’s serving up a Chicken Spaghetti Casserole that's perfect for a big crowd.