Demi Sims: Age, Family, Partner, Exes, Boxing Career and Life Beyond Reality TV

Elevate New Editorial Team2 hours agoLast Updated: June 26, 2026

Demi Sims is an English television personality, social media figure, boxer and businesswoman. She became famous through The Only Way Is Essex, often called TOWIE. Her open nature, bold fashion, family ties and dating life have kept her in the spotlight for many years.

She is also part of the well-known Sims family. Her siblings, Chloe Sims, Frankie Sims and Charlie Sims, have also been connected with British reality television. This family link helped her become a familiar name, but she has also built her own path through TV, boxing and social media.

Demi Sims Age and Early Life

Demi Sims was born on 6 September 1996. She is 29 years old in 2026. She was born in Havering, Essex, England. Essex is a key part of her identity. It shaped her style, her accent, her social circle and her place in reality TV. The Only Way Is Essex gave her the perfect stage because the show is built around Essex life, friendships, fashion, love and drama. Her full business name is Demi Laurant Sims. This name is used in her company records, while she is best known in entertainment as Demi Sims.

Demi Sims Family Background

Family is a major part of Demi’s story. Her father is Tony Sims, a respected boxing trainer. Tony has worked with major names in British boxing and has spent many years in the sport. His boxing background later became important when Demi started training and entered Misfits Boxing.

Demi’s mother is Jeanette Sims Martin. Demi keeps her mother more private than some other parts of her life, but her family background remains a key part of who she is. Her siblings are Chloe Sims, Frankie Sims and Charlie Sims. Chloe is her half-sister, while Frankie and Charlie are close family members who have also been part of reality TV. Her cousin is Joey Essex, another major name from British entertainment.

Demi Sims and Her Siblings

Chloe Sims

Chloe Sims is one of the most famous members of the Sims family. She became a major face on The Only Way Is Essex and later helped bring the family into House of Sims. Chloe is known for her glamour, strong views and long TV career.

Frankie Sims

Frankie Sims is Demi’s sister and has also appeared on reality TV. She has been part of the same media world and has joined family projects linked with the Sims name.

Charlie Sims

Charlie Sims is Demi’s brother. He has also been seen in the family’s TV work and business journey. His role became more visible through House of Sims, where the family’s life and plans were shown in more detail.

Demi Sims TV Career

Demi first appeared on The Only Way Is Essex in 2014. She later returned to the show between November 2018 and July 2022, and she came back again in late 2024. TOWIE gave her a strong platform. The show follows friendships, love lives, arguments and social events in Essex. Demi fitted well because she brought confidence, style and honesty to the screen.

She has also appeared on Celebs Go Dating, Celeb Ex in the City, CelebAbility and House of Sims. These shows helped her move beyond one programme and become a wider reality TV name.

Demi Sims and House of Sims

House of Sims showed another side of Demi and her family. The show followed the Sims family as they moved between Essex, Los Angeles and the world of fame. It focused on ambition, family pressure, arguments, loyalty and life in front of cameras.

For Demi, the show gave fans a closer look at her place inside the family. It also showed how hard it can be to mix family with fame. When your relatives are also your co-stars, personal issues can quickly become part of the story.

Demi Sims Partner and Love Life

Demi has had a public dating life, and her relationships often gain attention because she is open about who she dates. She is bisexual and has dated women in the public eye. Her most recent known partner is Gabby McCarthy, who is known from Love Island Australia. Their relationship gained attention through social media, where they shared loved-up moments.

Before Gabby, one of Demi’s most talked-about relationships was with Jazz Saunders from Made in Chelsea. Their romance brought together two major UK reality TV worlds: TOWIE and Made in Chelsea.

Demi Sims and Jazz Saunders

Demi Sims and Jazz Saunders became a popular reality TV couple. Jazz, whose real name is Jasmine Saunders, is known for Made in Chelsea. Their relationship drew attention because both women had strong fan bases and came from different reality TV backgrounds.

Their relationship lasted ten months before they separated. Even after the split, their time together remained a major part of Demi’s dating history. The relationship also added to Demi’s image as someone who is honest about love, heartbreak and identity.

Demi Sims Ex-Girlfriends and Dating History

Demi’s dating history includes several well-known names. She has been linked with Megan Barton-Hanson, Francesca Farago, Eve Gale, Leonie McSorley and Jazz Saunders. Many of these names are known from reality TV, which made Demi’s love life even more visible. Dating in the public eye is not simple. Every new romance, breakup or rumour can become a headline. Demi has still managed to stay open and direct about her life.

Her dating history also matters because she has helped bring more LGBTQ+ visibility into mainstream British reality TV.

Demi Sims Sexuality and LGBTQ+ Voice

Demi is openly bisexual. She has spoken about dating women and has used LGBTQ+ symbols on her social media. Her Instagram and TikTok bios include the rainbow flag, which shows pride in her identity. In reality TV, open bisexual women have not always had enough space. Demi’s presence helped change that. She brought her dating life onto mainstream TV without hiding who she is. This gave support to many young fans who want to see real LGBTQ+ lives on screen.

Demi Sims Boxing Career

Boxing has become a big part of Demi’s life. She uses the nickname “Bam Bam” and is connected with Misfits Boxing. Her record is 1–0. Her boxing move makes sense because of her father, Tony Sims. Growing up around a boxing family gave her a strong link to the sport. Still, stepping into the ring takes courage. Boxing is not only about fame. It requires fitness, discipline, pain, training and mental strength.

Demi won her Misfits Boxing debut against Nadeshi Hopkins. The win gave her a new identity beyond reality TV. It showed that she could move from screen drama to physical challenge.

Demi Sims Social Media

Demi is active on Instagram as @demsims. Her bio includes “Bam Bam”, the LGBTQ+ flag, Misfits Boxing and her 1–0 boxing record. She has more than 500,000 Instagram followers. She is also active on TikTok as @demisims. Her TikTok content connects with fans through lifestyle clips, boxing updates, relationship moments and personal style. Social media is one of her strongest platforms. It allows her to speak directly to fans without waiting for TV episodes or interviews. Her online image is bold, stylish and honest.

Demi Sims Business Ventures

Demi has also moved into business. Her registered business name is Demi Laurant Sims. Companies House records show her as director of Hank Marvin Protein Ltd, which is active. She was also connected with Bam Bam Media Ltd and Racing Against Humans Limited, though those companies are dissolved. This business side shows that Demi is trying to build income beyond television. Reality TV can be powerful, but it can also be short-term. Business, boxing and social media give her more control over her future.

Demi Sims Height, Style and Image

Demi is 1.7 metres tall. Her style is modern, bold and confident. She often wears fitted outfits, strong make-up and polished looks. Her fashion choices match her public image: direct, glamorous and self-assured. She is also known for having vitiligo, a skin condition that affects skin colour. Demi has not allowed this to limit her confidence. Her openness adds another layer to her public image and helps normalise visible skin differences.

Demi Sims Net Worth and Income Sources

Demi has not confirmed her exact net worth. Her income comes from several areas, including reality TV, social media work, brand deals, boxing, business ventures and paid partnerships. Her strong follower count makes her useful to brands. Her boxing work also opens new doors, while her family name keeps her connected to entertainment.

Why Demi Sims Remains Popular

Demi remains popular because she keeps changing. She started as a reality TV star, then became part of a family show, built a social media brand, entered boxing and moved into business. She is also open about her love life and identity. Fans connect with her because she does not hide every part of herself. She can be glamorous, funny, emotional and strong.

Final Thoughts on Demi Sims

Demi Sims is more than a reality TV personality. She is part of a famous family, an openly bisexual public figure, a boxer, a social media creator and a businesswoman. Her journey from The Only Way Is Essex to House of Sims and Misfits Boxing shows growth and ambition. At 29, she has already built a varied career, but she still has room to grow. Her mix of fame, family, love, boxing and business makes her one of the most recognisable names in modern UK reality entertainment.

FAQs

1. Who is Demi Sims?

Demi Sims is an English TV personality, social media figure, boxer and businesswoman. She is best known for appearing on The Only Way Is Essex and House of Sims. She is also known for her bold style, famous family and boxing career.

2. How old is Demi Sims?

Demi Sims was born on 6 September 1996. She is 29 years old in 2026. She was born in Havering, Essex, England, and became famous through British reality TV.

3. Who are Demi Sims’ parents and siblings?

Demi Sims’ father is Tony Sims, a well-known boxing trainer. Her mother is Jeanette Sims Martin. Her siblings include Chloe Sims, Frankie Sims and Charlie Sims. Joey Essex is also her cousin.

4. Who is Demi Sims’ girlfriend?

Demi Sims is currently linked with Gabby McCarthy, who is known from Love Island Australia. She was previously in a relationship with Jazz Saunders, the Made in Chelsea star.