Kelly Clarkson Lost Nearly 40 Pounds With a Special Diet: Photos of Her Weight Loss Transformation

2002

Kelly had her big break as the first winner of American Idol in 2002. The “A Moment Like This” hitmaker told Ellen DeGeneres in 2015 that she’s been dealing with body-shamers ever since then. 

“I was the biggest girl in the [American Idol cast] too,” she said. “And I wasn’t big, but people would call me big … I’ve kind of always gotten that. I think what hurts my feelings for people is that I’ll have a meet and greet after the show, and a girl who’s bigger than me will be in the meet and greet and be like, ‘Wow, if they think you’re big, I must be so fat to them.’ And it’s like, you’re just who you are. We are who we are — whatever size.”

2006

Kelly revealed in a 2018 interview on Today that she was diagnosed with an autoimmune disorder and “a thyroid problem” in 2006 and began taking medication. However, she later stopped taking it, which ultimately led her to make lifestyle changes. “I know the industry loves the weight gone, but for me, it wasn’t really (about) the weight. For me, it was ‘I’m not on my medicine anymore.'”

2012

Kelly opened up about her fluctuating weight in early 2012, telling Us Weekly, “It’s just trying to eat a little better and work out a little more. But no matter what size I am I love performing no matter how big or little I am! I feel good.”

2016

Kelly and her now ex-husband, Brandon Blackstock, welcomed their second child, Remington Alexander Blackstock, in 2016 after previously welcoming River Rose Blackstock in 2014. Unfortunately, Kelly received harsh comments about gaining pregnancy weight. In 2017, she clapped back at a troll who called her fat on Twitter, writing back, “…and still f–king awesome.”

2018

By 2018, Kelly lost 37 pounds, crediting her weight loss to the “lectin-free” diet found in Dr. Steven Gundry’s book, The Plant Paradox. “I did it for this autoimmune disease that I had and I had a thyroid issue, and now all my levels are back up. I’m not on medicine anymore because of this book,” she told Extra.

But even though Kelly was thinner, she made it clear that her happiness is not a result of how thin she is at any given time. It was only a matter of improving her overall health.

“It’s when I’m fat that I’m happy. People think, ‘Oh, there’s something wrong with her. She’s putting on weight.’ I’m like, ‘Oh, no! I’m sorry, but that represents happiness in my emotional world,’” she told Redbook. “If you gauge your life on what other people think, you’re going to be in a constant state of panic trying to please everyone. People should just concentrate on their own lives and their own health and their own happiness, and whatever that looks like for you, be happy with it.”

March 2023

After her divorce from Brandon was finalized in March 2022, Kelly appeared to slim down even further. She’s still looking fabulous more than a year later!

October 2023

While promoting her work with Audacy on social media, Kelly looked slimmed down and rocked an adorable pair of overalls over a baseball T-shirt.

October 2023 (Part 2!)

While visiting Seth Meyers, Kelly looked incredible in a black ensemble and loosely curled hair.

Halloween 2023

Kelly dazzled during the Halloween episode of her show, bringing a very sultry vampire to life.

November 2023

Kelly dazzled while attending the SiriusXM Next Generation: Industry event in New York, proving that red is absolutely her color.

November 2023

Kelly hosted the 2023 Rockefeller Center tree lighting ceremony on November 29 and showed off her stunning transformation in an all-white winter ensemble.