Your best self in 2018? We've got 18 weight-loss tips to help you start the year off strong! First, Biggest Loser's Bob Harper says he’s putting carbs back on your plate — and he's got a healthy stir-fry for you to try at home! Plus, we're making over one of New York's finest — a firefighter who has lost 111 pounds! And last but not least, Rach is cooking up a fun twist on the classic spaghetti dinner — Roasted Beet Spaghetti Cooked in Red Wine.