I’m A Celebrity 2025: The Most Dramatic Transformations of This Year’s Stars

Jack Osbourne and Kelly Brook have long been familiar faces in British pop culture. With both stars now among the 10 celebrities entering the ITV jungle for I’m A Celebrity 2025, viewers have been flocking to Google to relive how the current cast looked years—sometimes decades—ago. Their journeys include dramatic weight-loss transformations, glittering modelling careers, major health battles, and complete personal reinventions (BBC, 2025).

As the new lineup settles into camp life, here’s a closer look at the biggest transformations from this year’s cast.

Jack Osbourne’s Weight-Loss and Health Journey

Jack Osbourne—son of the late Ozzy Osbourne and TV icon Sharon Osbourne—underwent a major physical transformation in 2005. Preparing for an extreme-climbing episode of Adrenaline Junkie, the then-reality star lost between 50 and 70 lbs, largely thanks to Muay Thai training and a lifestyle overhaul (The Mirror, 2005).

Jack once told The Mirror: “That was one of the most miserable weeks of my life. It was hot, sticky and boring. I had a tube up my [bleep] twice a day and five litres of coffee was poured in… I’ve never felt as physically tired.”

The transformation made him almost unrecognisable. He later revealed: “People don’t recognise me anymore. I’ve been able to lead a normal life for the first time in years.”

In 2012, Jack was diagnosed with multiple sclerosis—another turning point that pushed him to double down on fitness and overall wellness (BBC Health, 2012). His presence in the jungle now carries the weight of both resilience and reinvention.

Ruby Wax’s Ageing Philosophy and “Non-Surgical” Look

Despite rampant viewer speculation, Ruby Wax has long insisted she has not undergone extensive cosmetic surgery. Instead, she credits luxury skincare—especially La Prairie products—for her youthful appearance (The Guardian, 2010).

The 72-year-old comedian has admitted to occasional “tiny bits” of work and periodic Botox, but her toned-down approach to cosmetic enhancement is something she’s discussed openly. “There are no wrinkles. I have a very wrinkle-free face – thanks to La Prairie moisturiser,” she said.

Ruby also confirmed annual lip enhancements and significant dental work. Speaking to The Guardian in 2009 about cosmetic surgery, she reflected: “If you had it in Joan Rivers’ time… you would've made a big mistake. But it’s very sophisticated now.”

Her subtle, intentional approach to ageing makes her one of the most scrutinised faces entering the jungle this year.

Kelly Brook: From Modelling Icon to Radio Personality

Before becoming a beloved presenter at Heart FM, Kelly Brook was one of the UK’s most recognisable models. Winning a beauty competition at just 16, she quickly became the face of brands such as Piz Buin, Foster’s Lager, and Renault Mégane. Her breakout arrived when The Daily Star brought her on as a Page Three model, followed by high-profile shoots for FHM, Loaded, and GQ (Independent, 2005).

She famously topped the FHM 100 Sexiest Women in the World list in 2005—cementing her status as a men’s-magazine staple.

Kelly later collaborated with T-Mobile, Reebok, and fashion brands including Simply Be and New Look. But ahead of her stint in the jungle, Kelly told The Mirror that fans shouldn’t expect her modelling-era look today:

“I am not a 20-year-old bikini model anymore. Life changes and your body changes… I just hope people are accepting of me and how I look now.”

Her willingness to embrace change makes her transformation one of the most relatable this season.

Lisa Riley’s Remarkable 12-Stone Weight Loss

Emmerdale’s Lisa Riley—best known as Mandy Dingle—has undergone one of the most dramatic physical transformations in British television. Since 2005, she has lost an astonishing 12 stone, credited to lifestyle changes rather than fad diets (BBC, 2017).

Lisa explained: “Everything I had tried previously didn’t work… because I wasn’t being honest and dedicated to myself. I just did it for me.”

Her diet overhaul replaced crisps and fizzy drinks with porridge, honey, butternut squash soup, roasted cod, fruit, nuts and oatcakes. Another major change was giving up alcohol, which she called her “comfort blanket.”

Lisa now trains intensely—yoga, cardio, and HIIT five to six times a week. “Sweat is fat crying,” she famously quipped. Her commitment continues to inspire fans across the UK.

Shona McGarty’s Post–EastEnders Glow-Up

Shona McGarty, who joined EastEnders at 16, became iconic for Whitney Dean’s jet-black hair and dramatic eyeliner. After leaving the soap in 2024, she embraced a fresh start—including a stunning transformation into long, flowing blonde hair.

Her Instagram caption—“Maybe blondes do have more fun?”—sent fans wild, with one joking she looked like Sharon’s “long-lost sister” (Digital Spy, 2024).

Alex Scott: From Football Boots to Fashion Runway

Former England and Arsenal defender Alex Scott grew up in football, joining Arsenal at just eight years old. After retiring in 2017, she stepped confidently into punditry—and later into fashion.

Her stylish, high-glam wardrobe has been praised by Vogue UK, with tabloids describing her shift as “from the pitch to Prada.” Alex’s transformation marks her as one of the show’s modern-day style icons.

Angry Ginge’s Journey from Schoolboy to Viral Personality

Angry Ginge only arrived in the public eye in 2020 through Twitch, rising from teenage gamer to full-blown online star. Now 24, he enters I’m A Celebrity positioned to reach an even wider audience (Digital Spy, 2023).

Fans love his “Throwback Thursday” childhood photos—often joking about how cute he was. His transformation isn’t physical so much as meteoric, rising from schoolboy to internet phenomenon within just a few years.

Aitch: The Rapper Who Rocketed from Teen Talent to Chart Regular

Rapper Aitch has grown up in the spotlight, gaining traction at 15 and releasing his debut track in 2018. With 11 UK Top 10 hits to date, his musical career exploded rapidly—especially after videos on YouTube went viral (BBC Music, 2022).

Speaking to The Guardian, Aitch recalled the moment fame changed everything: “I had all these record labels phoning me… I had to tell my grandad, ‘I’m not coming into work, I’m going to London to meet Sony and Universal.’”

His youthful evolution continues on the show, especially after he unexpectedly sang through his first Bushtucker Trial.

Martin Kemp’s Health Battle and Embracing His Silver Hair

Spandau Ballet star Martin Kemp faced a terrifying health crisis in the mid-1990s after being diagnosed with two benign brain tumours. One was surgically removed; the other required stereotactic radiation therapy (The Times, 2015).

Complications left him with epilepsy and dyslexia. He described the aftermath as life going “wonky for about five years.”

As for his appearance, Martin famously dyed his hair for two decades after it regrew grey. But in 2015, at age 53, he embraced the natural silver look: “I’m allowed to have grey hair. I’m happy with it as it is.”

Today, he is widely considered the ultimate “silver fox”—a transformation grounded in survival, acceptance, and confidence.