Demi Sims: Biography, Boxing Career and Latest Updates

Demi Sims has been in the public eye for over a decade, but her story keeps evolving. From reality TV star to professional boxer, and from navigating a very public breakup to dealing with her mother’s imprisonment, she’s carved out a career that defies easy labels.

Born: 6 September 1996 ·
Television debut: 2014 (The Only Way Is Essex) ·
Instagram followers: 545K ·
Boxing record: 1-0 (as of 2025) ·
Known for: TOWIE, Celebs Go Dating, Made in Chelsea, boxing

Seven facts at a glance — one pattern: Demi Sims’s life is a series of documented milestones with a few significant gaps in public record.

Who is Demi Sims?

What is Demi Sims’ background?

Demi Sims was born on 6 September 1996 in Havering, London (Get A Pep Talk). She grew up in Essex and attended local schools before stepping into the spotlight. Her sister Chloe Sims is also a reality TV personality, and there are persistent but unconfirmed reports that Joey Essex is a cousin — neither party has publicly verified the connection.

What TV shows has Demi Sims appeared on?

Her television debut came in 2014 on The Only Way Is Essex (Get A Pep Talk). After a break, she returned as a main cast member in 2018 and stayed until leaving permanently in 2022 (Mirror). She then joined Made in Chelsea as a guest star in 2023 (Closer Magazine) and has appeared on Celebs Go Dating as well. Her reality TV portfolio spans the two biggest shows in British structured-reality television.

The pattern: Demi Sims moved from TOWIE’s glamour to Made in Chelsea’s privilege — but her most significant career pivot was away from TV altogether and into the boxing ring.

Are Demi Sims and Jazz Saunders still together?

Why did Jazz and Demi split up?

Demi Sims and Jazz Saunders, a Made in Chelsea personality, dated for about 10 months before parting ways in 2025 (Instagram). Demi spoke publicly about the breakup being challenging, describing it as a difficult but necessary decision. Jazz herself has not issued a detailed statement, though social media posts from both sides suggested a mutual split.

What was the timeline of Demi Sims and Jazz Saunders’ relationship?

Snapshots from their Instagram accounts show a relationship that began in mid-2024 and ended roughly 10 months later. The pair were often photographed together at events and shared affectionate posts. Reddit discussions (Reddit) and tabloid coverage describe the end as amicable but final.

“It’s been a tough time, but I know what’s best for my mental health.”

Demi Sims, in a 2025 interview with Heatworld (via The Sun)

The implication: Demi prioritised her mental health over a high-profile relationship, a decision consistent with her broader lifestyle shift.

Is Demi Sims in a relationship now?

Who is Demi Sims dating in 2025?

Since splitting with Jazz Saunders, Demi’s relationship status is not confirmed. She has not publicly introduced a new partner, and her Instagram feed is focused on boxing training, family, and lifestyle content. Some tabloids have linked her to Francesca Farago, but neither party has confirmed a romance.

Has Demi Sims dated anyone famous?

Her most notable public relationship is with Jazz Saunders. Before that, Demi kept her romantic life relatively private. She has been open about her bisexuality and has said she prefers to keep relationships out of the spotlight when possible.

What is Demi Sims doing now?

Is Demi Sims still boxing?

Yes — Demi Sims is actively training and competing as a professional boxer under Misfits Boxing (Instagram). She made her amateur-to-pro transition in 2024 and has continued to post training footage on Instagram. She trains in Essex and has spoken about boxing giving her discipline and purpose.

What is Demi Sims’ boxing record?

As of 2025, her professional record stands at 1-0 (Instagram). Her debut fight was at Misfits 22 in Manchester, where she won by points against Nadeshi Hopkins (The Sun). She has expressed interest in more fights, though no official calendar has been announced.

Does Demi Sims have any upcoming fights?

No confirmed dates have been published as of mid-2025. A March 2026 Instagram reel mentions she had been boxing for a full year (Instagram), suggesting she is committed to the sport, but fans should follow Misfits Boxing announcements for the next match.

“I love the discipline. It gives me a focus that I never had before.”

Demi Sims, in a Grazia interview (via The Sun)

What this means: Boxing has become Demi’s primary professional identity, replacing reality TV as her main public focus.

Why is Demi Sims’ mother in jail?

What happened to Demi Sims’ mother?

Demi’s mother was sentenced to prison for financial crimes. UK court records (reported by multiple outlets) indicate the charges involved fraud or related offences. Demi has spoken about the impact on her family, calling it a difficult period that tested their resilience.

How long is Demi Sims’ mother in prison?

The exact length of the sentence has not been widely published. Limited public court records make it challenging to verify the full term. Demi has not disclosed the details on her social media, asking for privacy on the matter.

The catch: Without confirmed sentencing details, this remains a significant gap in her public biography.

Is Demi fully sober now?

Does Demi Sims talk about sobriety?

Demi Sims has been open about her journey with sobriety, referencing it in interviews and social media posts. She has said that staying sober has been a personal commitment, though she has not released a formal statement or timeline.

Has Demi Sims struggled with addiction?

She has discussed struggling with alcohol in the past and choosing to abstain. Her decision is part of a broader lifestyle shift that also includes boxing and fitness. She actively posts about her healthy routines on Instagram, but the intermittent mentions mean the full timeline of her sobriety remains private.

The pattern: Demi’s sobriety journey aligns with her move toward discipline-focused pursuits like boxing.