Credit: Tara Costa on Twitter Photo: Tara Costa Poses After a Bike Ride and Swim

After losing 155 pounds in a hyper-controlled environment with trainers on-hand and the world watching, eventually settling into only a 133-pound loss still seems pretty inspirational.

Unless Tara Costa has made some dramatic changes — which, from the looks of her Twitter photos, she hasn't — it appears that inspirational is exactly what she accomplished after her time on The Biggest Loser. But a fitness company disagrees.

FC Online Marketing, which runs the website I Love Kickboxing, claims that Tara violated the part of their marketing agreement that said she "agrees to maintain her current level of fitness and conditioning."

Not everyone would think that "fitness" and "conditioning" is 100% determined by the scale, but the lawsuit alleges that Tara violated that contract by gaining "far too much weight" in 2011.

Now 23, Tara lost 155 pounds on The Biggest Loser: Couples 2 when she was just 19 years old. She apparently weighed in at 22 pounds heavier during a guest appearance in 2011.

Less sketchy parts of the suit allege that she entered an agreement with a competitor, and that the Inspire Change Foundation didn't have authorization to give FC "likeness rights." Maybe they should've just stuck to those complaints.

We think Tara looks great, and objectively, even smaller than she looked in 2011. Do you think she didn't maintain her "level of fitness and conditioning"?

Sources: The Daily Mail, The Wrap