The first female winner of The Biggest Loser shares her inspiring story of weight loss and personal transformation When Ali Vincent became a contestant on NBC's hit show, The Biggest Loser, her weight was at an all-time high of 234 pounds—and her life had reached an all-time low. Like millions of Americans, Ali struggled for years with poor eating habits, family problems, stress, and low self-esteem. After years of being afraid, ashamed, and unhappy, she resolved to change her life. Believe It, Be It is Ali's intimate story of personal and physical transformation, and a behind-the-scenes look at life on The Biggest Loser ranch. For anyone who has ever battled with weight or struggled to accept themselves, Ali Vincent's story provides hope that a happier, healthier, more fulfilling life is within reach.