How Did Kelly Osbourne Lose Weight? Diet, Fasting & Surgery

Kelly Osbourne went through surgery before her 85-pound weight loss revelation.

Actress, model, and singer Kelly Osbourne revealed in the summer of 2020 that she lost 85 pounds. Her weight loss journey was not smooth sailing, as she gained and lost along the way. She opened up about what she went through to get where she was.

The reality star revealed that she changed her lifestyle to become healthy, and she underwent gastric sleeve to bring her in the right direction. Despite the criticisms she may possibly receive, she isn’t ashamed to tell the world that she had surgery before losing 85 pounds.

“I had surgery; I don’t give a f*** what anyone has to say,” Kelly told the Hollywood Raw podcast at the time. “I did it, I’m proud of it… I did the gastric sleeve. All it does is change the shape of your stomach. I got that almost two years ago. I will never ever ever lie about it ever. It is the best thing I have ever done.”

But before the surgery, the TV personality said she had to go to therapy to address her emotional eating tendencies. She added that her top priority is to become “happy,” so she had to “fix” her head first before fixing her body.

“You can never go into this if you’re not in a good mindset,” she said.

After the gastric sleeve procedure, Kelly shifted her habits to eating healthy and proper exercise. She explained that she might gain weight if she didn’t eat right and go on workouts with the surgery that she had. She believes that the process moved her in the right direction.

Kelly Osbourne's Weight Loss Tricks

The main keys to Kelly’s successful weight loss:

  • Underwent gastric sleeve surgery
  • Engaged in plant-based diet and intermittent fasting
  • Her trainer Lacy Stone said the best exercises are high-intensity interval sessions
  • She also does circuits for toning muscles, including squats, push-ups, and lunges
  • Combination of strength training and cardio helped her lose weight

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The Fashion Police host is now engaged in a healthier lifestyle, including a plant-based diet and intermittent fasting. Every morning, she drinks coffee, and it will be followed by green juice to boost her immunity while losing weight. She only drinks juices until dinner, and then she’ll eat healthy foods.

The COVID-19 pandemic lockdown in 2020 didn’t stop Kelly from her weight loss journey, as well. She told her Instagram followers back then that she would make it “the year of me.” In fact, she got the result in the first two weeks of the quarantine period after losing 7 pounds.

Regarding the actress’s usual workout, her trainer Lacy Stone told Hollywood Life that the best exercises to lose weight are high-intensity interval sessions. Additionally, it’s good to do circuits for toning muscles, including squats, push-ups, and lunges.


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Stone suggested that combining cardio and strength training is ideal for a weight loss plan. She recommends doing the workout at least three times a week. But she also said not to overdo these specific exercises to avoid muscle injuries.

Aside from the intense workouts, Kelly also loves having fun while exercising. For instance, she increases her heart rate with hula hooping using hoopnotica, a hoop dancing fitness class. In 2013, she lost 70 pounds using hooptica, and her weight loss was visible when she appeared on the cover of SELF Magazine.

Kelly Osbourne's weight loss journey over the past years -- how she switched to plant-based diets and how her mental health struggles played a role.

Kelly has been very open when it comes to her weight. She already lost 40 pounds after appearing in Dancing With The Stars in 2009, where she did a series of dance rehearsals and switched to a plant-based diet. She became vegan in 2012, thanks to her vegan chef boyfriend at the time.

“Once I learned how to work out right and eat right, it’s one of those things that you just have to commit to a life change rather than being on a diet. Because a diet doesn’t work. You lose weight, and you stop it, and it will all come back. So you just have to take baby steps, commit to something and stay true to it,” the actress once told the HuffPost.

Kelly’s mental health struggles also played a role in her weight loss journey. About five years after the finale of The Osbournes, the reality star opened up about the challenges she encountered with diet and nutrition and how these impacted her battle with addiction.


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In a 2010 interview with Shape, she revealed that criticism from viewers and the press led her to a “dangerous emotional state.” She said that she was called “fat and ugly in the press almost her entire life,” which sent her downward spiral.

“I understand that being judged by others comes with the territory, but it broke my heart and ruined my self-esteem,” Kelly told the magazine.

The actress added that she began to hate herself in a huge way because of that. She was angry at the things people said about her, and she believed it. She confessed that was the main reason she turned to Vicodin, and she ended up in rehab three times.

Prior to joining Dancing With The Stars, Kelly shared that her emotional state played a role in her weight gain. She revealed, “I replaced the drugs with food and just got fatter and fatter… I’m an emotional eater. When I get upset, my diet goes out the window.”

Kelly Osbourne commits to sobriety to maintain her progress.

The actress relapsed after years of sobriety in 2018, which she opened up on her Instagram. But she recommits herself to sobriety and won’t let the progress she made be destroyed this time around. She didn’t deny her self-destructive behaviors and realized her self-worth now.

“I am an addict and had thought that I had enough time under my belt and I could drink like a normal person, and it turns out I cannot, and I will never be normal,” she discussed. “I don’t know why I even tried it. It’s not for me, and it took me a matter of days, and I was like done, not doing this.”

Kelly’s battle with substance abuse played a role in helping her develop her own self-worth and identity. Her struggles with sobriety helped her accept her imperfections. She said, “I am not perfect, and I am never going to be, and I don’t want to be.”

In 2020, the TV personality began prioritizing herself. She posted a photo on her social media and wrote about “constantly putting the needs of others before her own” and celebrated her 2.5 years of sobriety at the time.

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