I've watched NBC's 'Biggest Loser' since it began in 2004 and my favorite part is make-over week, when the remaining contestants are given a new look. One of the transformations this season was the biggest in Biggest Loser history and left my jaw on the floor!

YouTube

David began his journey at 409 pounds. 13 weeks and 143 pounds later he looked great, but it wasn't until he shaved his beard, the transformation amazed everyone, including his family.  Watch their tearful reunion, his clothing makeover and where it all began.

Tune into NBC Tuesday nights at 8 for the 'Biggest Loser.'

NEXT: Trailer Choir's Vinny Keeps Weight Off

Big VinnyTalks 'Biggest Loser'