Sister Wives Stars Who Had Major Weight-Loss Transformations

We may receive a commission on purchases made from links.

The stars of TLC's "Sister Wives" have gone through quite the transition throughout the course of their reality show, with fans bearing witness to each of their personal evolutions and respective weight-loss journeys. As Christine, Janelle, and Meri Brown said goodbye one by one to their formerly-shared husband, Kody Brown, they each said hello to a fresh start, implementing new lifestyle habits that would have them each looking better than ever.

Just like their rollercoaster relationships with Kody — who was left by three of his four wives between 2021 and 2023 — the sister wives' weight-loss journeys have been closely aligned, yet still unique to each of them. For Christine, who has actively documented much of her transformation on social media, wellness supplements have been the key to discovering a new, healthier version of herself. Janelle also promotes similar products online, but her weight loss has primarily been fueled by major changes to her diet and exercise routine. As for Meri, she's been able to quietly shave off pounds without frequently speaking about her weight loss — but her results are anything but subtle. Of all the TLC weight-loss transformations, like the before and after pics of Tammy Slaton highlighting her impressive weight loss, the "Sister Wives" ladies' are among some of the most staggering.

Christine Brown, shown in photos taken in 2012 and 2025, has faced rumors about her weight-loss methods, but she is definitely among the celebs who have been clear about not taking Ozempic or other weight loss drugs. Christine instead swears by a line of wellness supplements from the brand Plexus to help her keep the weight off. In April 2026, she shared an Instagram post confirming that she doesn't take any of the trendy weight-loss "shots," but has still been able to drop 40 lbs., thanks to the Plexus supplement for gut health and other products marketed for weight management.

While promoting the brand on Instagram, Christine described her go-to products as having "the benefit of the shot without the shot," claiming that they work to "support your body's natural GLP-1 response which means better hunger control, less food noise, and more consistent energy." She also shared more before and after photos to highlight her significant weight-loss transformation, showing fans just how far she's come over the years. 

Janelle Brown's tactic for dropping pounds has also involved help from the same Plexus products that Christine Brown pushes online, but shifting her lifestyle has also been a key part of her weight-loss journey. In photos taken in 2021 and 2022, Janelle's transformation is clear. She frequently posts snaps of her healthy meals on social media, and shares inspiring messages about the importance of staying active and feeling good in one's body.

In an Instagram reel from January 2023, Janelle wrote, "I workout — not only to improve my health and change by body but for the empowerment it brings ... I have proven to myself over and over again that when you know how much you can push yourself there aren't a lot of limits. If you are brave enough." Janelle has also dedicated much of her Instagram page to uplifting and motivational content, especially for midlife women who are looking to start over or begin a new chapter, just like she has since leaving Kody Brown.

Unlike her fellow sister wives, Meri Brown doesn't use her impressive weight-loss results to promote viral products or wellness supplements for weight management. In fact, Meri has stayed noticeably quiet about her methods for shedding the weight — but her new look clearly speaks for itself.

As seen in photos taken in 2019 and 2025, Meri has undergone such a significant transformation that fans have been wondering if she's been taking a GLP-1 medication. Similar to the celebs who look totally different after using weight-loss medications like Ozempic, Meri's face has become noticeably thinner and much more chiseled. Some fans even became convinced that Meri had gone under the knife for a facelift, which she denied in an Instagram comment in July 2022 (per InTouch). She hasn't, however, confirmed or denied if she is using a GLP-1 medication like Ozempic or Wegovy.

Regardless of her weight-loss methods, fans seem to think that Meri looks happier than ever since leaving her polygamous marriage behind. Her followers on Instagram have pointed out just how radiant Meri looks nowadays, with one user noting in the comments on a March 2026 post that she has "that sparkle" in her eyes again.