Summary: ‘TODAY’ SHOW’S LIFESTYLE AND FITNESS CORRESPONDENTJENNA WOLFE VISITS AS GUEST TRAINER, AND THE FINAL THREE CONTESTANTS ARE REVEALED on tonight's edition of The Biggest Loser. It’s the last week on the ranch for the final four contestants, and time to celebrate just how far they’ve come on their weight loss journeys. The Biggest Loser airs (Airing January 22 at 8 p.m. ET on NBC)
