For the first time, the U.S. is not in the Top 20 of Happiest Countries. What's to blame, and how do we become happier? New York Times bestselling author and happiness expert Arthur C. Brooks joins us with what he says is the secret to getting happy. Then, doctors told Dannie De Novo she would never be happy — how she ignored what they said and how she can help you too. "The Dress Doctor" and fashion psychologist Dawnn Karen explores the correlation between what we wear and how we feel, and The Happiness Club brings joy to the Tam Fam stage with a performance of "Shake That Stress Off." Finally, stars of the TLC hit show "One Thousand Pound Best Friends" share their weight loss and happiness journey with the Tam Fam and how it has affected their relationships with each other.