Jillian Michaels is coming out swinging -- telling TMZ the entire 'Biggest Loser' documentary is a giant lie ... and she’s already lawyering up.
The celeb trainer says she’s meeting today with powerhouse attorney Bryan Freedman to plot her next move -- and that move includes going after Netflix, the producer of the doc, Bob Harper, and Dr. Robert Huizenga.
Jillian isn’t stopping there either .