Health & Beauty

'Biggest Loser' Wins Diet Game

Her name is Ali Vincent, but you can call her the "Biggest Loser!" Ali started at 234 lbs. and dropped to and amazing 122 lbs. -- losing 47% of her body weight -- in just 16 weeks! Now "Extra" reveals how Ali didn't let sweets sink her new diet, and her other secrets for a svelte physique!

Also, tune in to "Extra" for other top tips for a summer slim-down from the "Biggest Loser" trainers themselves, Bob Harper and Jillian Michaels.