Elizabeth Ruiz

Hosts Alison Sweeney and trainers Bob Harper and Jillian Michaels travel the United States in search of participants.

Hosts Alison Sweeney and trainers Bob Harper and Jillian Michaels travel the United States in search of participants.

Tempted by a plethora of cupcakes, the contestants are shocked to learn there'll be a double eviction. The rules have changed too. Could eating a cake actually help them?

Tennis star Anna Kournikova gives the contestants a tennis lesson for a total body workout before they're surprised by another early weigh-in.

Celebrity hairstylist Ken Paves crafts a new look for each of the seven remaining contestants; after their makeovers, the contestants share emotional reunions with their loved ones; a challenge leads to a heart-warming moment.

A contestant continues to be upset over a recent elimination; a pool challenge tests everyone's balance; a contestant reaches a milestone.