As The Biggest Loser trainers Jillian Michaels and Bob Harper each publicly weigh in on their complicated relationship, we're doing a check-in with all 18 winners from the competition series.

The Biggest Loser' aired from 2004 to 2020. Here's everything to know about where the reality TV show's trainers — including Bob Harper and Jillian Michaels — are today.

Biggest Loser' helped many of its trainers — including Bob Harper and Jillian Michaels — find fame — but where is everyone now?