A look inside Kelly Osbourne’s transformation after shocking weight loss

Kelly Osbourne has undergone a shocking transformation over the years RadarOnline.com can reveal all the details, and how she is done dealing with trolls.

The daughter of Ozzy and Sharon Osbourne channeled her inner Madonna as she portrayed the Queen of Pop’s Dad doesn’t preach at the Lane Bryant Plus-Size Fashion Show in February 2003.

Kelly dazzled from every angle at the 2010 American Music Awards. For the event, she donned a black, strapless dress that highlighted her cleavage.

At Art of Elysium’s “Heaven” Gala in 2011, the first Dancing with the stars contestant made her presence known in a striking manner, wearing a black lace sleeveless top and a pleated A-line skirt.

Her entire ensemble was in sync with her simple black pumps.

Kelly dazzled in a black dress at the 2015 MTV Video Music Awards, with her light purple hair dominating the conversation all night long.

“In fact, my color became me. The first time I dyed it and looked in the mirror, I saw myself and felt like me,” she shared. People of her lavender hair. “I will never be a natural girl. I will never be normal or simple. The most insulting thing someone said to me was to call me ‘beige’.”

The Come dig me out singer delivered a breathtaking performance at Stella McCartney’s Autumn 2016 Collection Event. Confidently showing off her signature style, she stepped out to the show in a stylish layered outfit that consisted of a black coat, a multi-colored dress and a green clutch.

Who is that girl? Kelly looked unrecognizable in her striking outfit Just Jared‘s 7th Annual Halloween Party. She ditched her purple hair and opted for a prominent red wig as she cosplayed Myrtle Snow American Horror Story: Coven.

That year, she underwent stomach surgery that caused her to lose 85 pounds.

“I’ve had surgery; I don’t care what anyone has to say,” she revealed on the channel Hollywood raw podcast. “I will never, ever lie about it. It’s the best thing I’ve ever done.”

She also started exercising and eating right to aid her weight loss journey.

According to Kelly, the procedure also helped with her drug and alcohol addiction problems.

“It eliminates this hormone, which if you have addiction issues, stops cravings and stops you from eating emotionally, which is a huge problem for me,” she explained.

A pregnant Kelly was spotted before a Dior show in 2022.

In a 2024 interview with Peopleshe confirmed that she gained 100 pounds during her pregnancy.

“I just didn’t want any pictures there. I didn’t want to face it and have people say, ‘Oh, she’s a moose!’ So I just took the problem away,” she admitted.

Kelly looked extremely thin as she stepped out for her 39th birthday.

In a September 2023 conversation with Scheana Shay about the Scheananigans with Scheana Shay podcastshe revealed that her diagnosis of gestational diabetes during pregnancy led to her losing a lot of weight.

“How they found out I was pregnant was that I was gaining a lot of weight, but I wasn’t eating as much,” she said. “And it turned out that the placenta blocks the way your body filters the sugar, and that will happen one way or another, where you lose a lot of weight or gain a lot of weight, and I gained a lot of weight.”

She added, “I was on a mission after having the baby to lose all my baby weight. And then I thought, well, I lost all the baby weight, let’s see how far I can go with it.” [I] went a bit too far, but [I] stopped.”

Kelly showed off a noticeably slimmer frame at the 66th Annual Grammy Awards.

Amid the buzz surrounding her transformation, she said Extra she did not take Ozempic.

“I don’t know where that came from,” she added. “I recently made some comments about Ozempic where it seemed like 50 percent of the people hated it, 50 percent of the people liked it. But the truth is, my opinion was the same as the people who didn’t like it until I met someone who lost weight on Ozempic, and it changed their life.”

Once again, Kelly shut down the trolls after appearing significantly slimmer at the 2026 BRIT Awards.

“There is a special kind of cruelty in harming someone who is clearly going through something,” she wrote on her Instagram Stories. “Kicking me when I’m down, doubting my pain, spreading my struggles like gossip, and turning your back when I need support and love most.”

She added: “Nothing proves strength; it just reveals a profound absence of compassion and character. I’m going through the toughest time of my life right now. I shouldn’t even have to defend myself. But I won’t sit here and allow myself to be dehumanized in such a way!”