Nearly a week after getting a pep talk from Rachael and Dr. Ian, Christina heads back to the scale to check her progress. Is she back on track?

Rachael spices up Christina's diet by teaching the teen how to prep low-cal versions of one of her favorite Italian dishes - Smoky Roasted Eggplant Marinara with Spaghetti Squash or Whole Wheat Spaghetti!

Click here to check out Christina's eating plan.

After struggling with the diet for a few weeks, Christina hopes her persistence at the gym and with her food choices pay off! She's heading back to the scale for her latest weigh-in!

Christina and her dad clash at mealtime as the stress of their diets hit home -- will they remain inspired and reach their weight-loss goals?

When a tough trainer drops by to help Christina and her family get into shape, the father-daughter workout makes her rethink her relationship with her dad. Can they find a way to support each other and make their diets work?

Christina loves reading your messages and can't wait to thank you for your support!

Have a message for Christina? Post it here.

Christina gets a surprise message from Dr. Oz at the studio! Get his advice for shedding pounds and making a diet work for good!

Rachael welcomes Christina and her father back to the studio for a pep talk and offers to stay with the teen for this week's weigh-in to see if her diet is back on track!

Can you relate to Christina's story? Join our online community to give Christina your encouragement and share your own weight-loss stories!

Christina faces one of her toughest weigh-ins yet as she hits the scale after being tempted by some of her favorite treats at her sister's party.

Christina's diet is challenged as she shops for party snacks and hangs out at her sister's sweet 16. Will she avoid temptation when surrounded by junk food?