There is also an online-only plan for those who do not wish to attend meetings or weigh-ins.
Dieters are free to use the traditional plan, which includes weekly weigh-ins and consultations in a Jenny Craig center.
Weekly challenges evaluate each celebrity's progress, as well as weigh-ins that are meant to ensure that they are meeting their weekly targets.
She explains the intense pressure models face over their weight and how daily weigh-ins impacted her self esteem.
Competition on the show involves much more than weigh-ins.