Livi Sheldon – Biography, Age, Height and Gladiators Career

When the BBC rebooted Gladiators in 2024, one of the most talked-about new contenders was Diamond — a towering, muscular figure whose real name is Livi Sheldon. She is an English personal trainer, former professional bodybuilder, and television personality from Worcestershire. Born on 18 May 1994, Sheldon is 30 years old as of 2025, and her journey from competitive bodybuilding to prime‑time television has made her a prominent face of modern fitness culture.

Sheldon’s public image is built around a message of strength and femininity. She has spoken openly about being bullied for her height as a child, and now uses her platform to encourage young women to embrace their physique. Her background in sports science and competitive bodybuilding lends credibility to her role as a fitness coach, both on and off screen.

Below we break down the key facts about Livi Sheldon, including her age, height, career path, and her transformation into the Gladiators star known as Diamond.

Who Is Livi Sheldon? Biography and Early Life

Livi Sheldon on BBC’s Gladiators: Her Role as Diamond

Sheldon was formally introduced as Diamond on BBC Breakfast in May 2023, ahead of the show’s reboot. Her Gladiator persona is characterised by strength, speed, and a polished aesthetic. According to the official Gladiators website, Diamond is one of the most physically imposing competitors in the current lineup.

How did Livi Sheldon become Diamond on Gladiators?

Sheldon’s athletic background made her a natural fit for the role. She had already built a strong social media following as a bodybuilder and personal trainer, and the show’s producers contacted her after seeing her online presence. Sources report that she was selected for her combination of physique, confidence, and ability to perform in front of a camera.

What is Diamond’s character like?

Diamond is portrayed as fierce yet approachable, a contrast that Sheldon herself embodies. In interviews she has described wanting to show that women can be “badass” while remaining feminine. The character has become one of the most recognisable of the new Gladiators generation, appearing in both series one and two.

Beyond Gladiators, Sheldon has appeared on other TV shows including The Weakest Link, The One Show, The 1% Club, Blue Peter, and Deal or No Deal. She also took part in Soccer Aid 2024 and Soccer Aid 2025, further expanding her visibility.

Livi Sheldon’s Physical Stats: Height, Weight and Bodybuilding

Sheldon is listed as 6 ft tall by multiple authoritative sources, including the official Gladiators website and Wikipedia. Her weight is not publicly confirmed, but her bodybuilding history suggests a low body fat percentage and significant muscle mass.

Is Livi Sheldon a professional bodybuilder?

Yes. Sheldon began weight training at age 18 and started competing in bodybuilding at 24. She has participated in at least four competitions, according to an Instagram post. Her achievements include a top‑5 placing in the PCA Toned Figure British finals and a silver medal at NABBA England.

What are Livi Sheldon’s bodybuilding achievements?

• Finalist in the England Toned Figure competition.
• Top 5 in PCA Toned Figure British finals.
• Silver at NABBA England.
• Can squat 120 kg, as reported by Radio Times.

Livi Sheldon’s Career: Personal Trainer, Fitness Coach and Speaker

Sheldon graduated with a degree in Sports Science from Worcester University and now works as an online personal trainer. She co‑runs a training app called Liv Fit (also referred to as LivFitness) with her fiancé Grant Gibbs. The app provides tailored workout programmes and nutritional guidance.

Does Livi Sheldon offer online fitness coaching?

Yes. She promotes a coaching brand called Diamond Tribe, which delivers customised training plans. Her Instagram biography directs followers to her website for personal training services. She is also available as a speaker through Champions Speakers, where she talks about fitness, confidence, and resilience.

What does Livi Sheldon do for a living?

Her primary income sources are her role on Gladiators, online coaching, and speaking engagements. She also earns from social media partnerships, though specific financial figures are not publicly disclosed.

Timeline: From Bodybuilding to BBC Stardom

Below is a chronological overview of key events in Livi Sheldon’s life and career, based on publicly available information.

1. 1994 – Born on 18 May in England.
2. c. 2012 – Graduated with a degree in Sports Science; began weight training.
3. c. 2018 – Started competitive bodybuilding at age 24.
4. 2020–2023 – Built career as personal trainer and online fitness coach; grew social media following.
5. May 2023 – Announced as Diamond on BBC Breakfast.
6. 2024 – Appeared as Diamond in BBC Gladiators series one; later returned for series two.
7. 2024–2025 – Participated in Soccer Aid 2024 and 2025; appeared on multiple TV game shows.
8. 2025 – Continues Gladiators role; maintains coaching business and speaking engagements.

What Is Known and What Remains Unclear About Livi Sheldon

While many details about Sheldon are well documented, some areas of her life lack public confirmation. The table below separates established facts from unverified information.

What Does Livi Sheldon’s Career Say About Modern Fitness TV Personalities?

Sheldon represents a new wave of fitness‑focused TV personalities who build personal brands through social media before transitioning to traditional media. Her role on Gladiators taps into 1990s nostalgia but with a modern emphasis on female strength and empowerment. Unlike many Gladiators from the original series, she holds a formal sports science qualification, giving her unique credibility as a fitness coach.

Her online coaching business (Diamond Tribe) positions her as both a celebrity and an entrepreneur, blurring the line between entertainment and professional fitness. This hybrid career model is increasingly common among young athletes and influencers.

Additionally, her public advocacy for mental health, anti‑bullying, and body positivity extends her influence beyond fitness into broader social issues. She has said she wants younger girls to see that they can be “badass” while remaining feminine, a message that resonates with her audience.

Sources and Selected Quotes

Information in this article is drawn from the following sources: Wikipedia’s Livi Sheldon page, the official BBC Gladiators site, Radio Times, Livi Sheldon’s Instagram profile, and Champions Speakers agency. Below are notable statements from Sheldon and about her.

“I was bullied for being tall. I want younger girls to see that they can be badass and still be feminine.”

— Livi Sheldon, as reported by GladiatorsTV.com and Wikipedia

“She promotes mental health, anti‑bullying, and body positivity through her social media and media work.”

— Champions Speakers agency biography

“Strong & feminine” is how she describes her brand on Instagram.

— Livi Sheldon’s Instagram bio

Summary: Livi Sheldon at a Glance

Livi Sheldon, known to millions as Diamond, is a 30‑year‑old English TV personality, former competitive bodybuilder, and online fitness coach. She rose to national fame through the BBC’s Gladiators reboot and continues to build her brand through social media, speaking engagements, and her Diamond Tribe coaching programme. For more on athletes who have transitioned from sport to television, read our profile on Louis Saha – 2025 Net Worth, Career Timeline & Current Ventures.

Frequently Asked Questions About Livi Sheldon