JJ Slater is a British reality TV personality and fashion entrepreneur who rose to fame as an intruder groom on Married at First Sight UK in 2023. Known for his high-profile relationship with Katie Price and his streetwear brand Fullyblessed Limited, Slater has become a fixture in tabloid headlines. Here is everything you need to know about his age, net worth, relationships, and career.
What is JJ Slater’s age and background?
John Joe Slater
33 (born 13 June 1992)
Intruder groom on Married at First Sight UK 2023; fashion entrepreneur
Katie Price (official since February 2024)
- JJ Slater first gained national attention as an ‘intruder groom’ on the 2023 series of Married at First Sight UK.
- He is a fashion entrepreneur and founder of the streetwear brand Fullyblessed Limited.
- He also co-owns Pink Restaurant & Nightclub in Essex.
- Slater was diagnosed with Type 1 diabetes at age 31 after being hospitalised with dangerously high blood sugar.
- His social media following has grown considerably post-MAFS; he has approximately 123K followers on Instagram and 59.3K on TikTok.
- He is in a high-profile relationship with media personality Katie Price, which became public in early 2024.
| Detail | Information |
|---|---|
| Full Name | John Joe Slater |
| Date of Birth | 13 June 1992 |
| Age (as of 2025) | 33 years old |
| Birthplace | England, United Kingdom |
| Nationality | British |
| Occupation | Reality TV personality, fashion entrepreneur |
| TV Show | Married at First Sight UK (2023) |
| Relationship Status | In a relationship with Katie Price (since February 2024) |
| Net Worth | Described as a “secret millionaire”; specific figures are unverified |
| Health Condition | Type 1 diabetes (diagnosed 2023) |
What was JJ Slater’s role on Married at First Sight UK?
JJ Slater joined the eighth series of Married at First Sight UK as an “intruder groom” – a new participant introduced after the initial weddings. He was paired with Bianca Petronzi. However, during the experiment he developed a connection with fellow participant Ella Morgan, which led to a dramatic recoupling that became a major storyline of the season.
His on-screen marriage and recoupling
Slater’s match with Bianca Petronzi did not last. He admitted to feeling a stronger bond with Ella Morgan, a trans woman who had also joined the series. The emotional recoupling caused tension within the group, and Slater and Morgan decided to leave the experiment together.
Life after MAFS UK
After the show, Slater returned to his career as a fashion entrepreneur. His appearance on MAFS gave him a platform to grow his brand Fullyblessed Limited, a contemporary streetwear label. He remains active on social media, where he promotes his business and shares personal updates.
JJ Slater was originally matched with Bianca Petronzi, but his connection with Ella Morgan changed the course of his time on the show. Both relationships ended when the series finished.
What is JJ Slater’s net worth?
JJ Slater is widely described as a “secret millionaire” by tabloid sources. He founded and owns the streetwear brand Fullyblessed Limited and co-owns Pink Restaurant & Nightclub in Essex. These business ventures support his status as a wealthy entrepreneur. Some reports speculate his fortune could be around £4 million, but that figure has not been confirmed through official disclosures or financial statements.
The £4 million net worth figure circulating online is anecdotal and not backed by public financial records. Slater has not made an official statement about his total wealth.
Who is JJ Slater dating? Relationships with Katie Price, Ella Morgan, and others
JJ Slater’s love life has attracted significant media attention. His most prominent relationship is with Katie Price, the well-known British media personality. They made their relationship official in February 2024. The couple has an age gap of 14 years, which Slater defended in an April 2024 interview with the Daily Mail (source).
Relationship timeline with Katie Price
Despite speculation that they had split due to a lack of recent joint social media posts, Price clarified in a December 2025 episode of The Katie Price Show that they are still together and planned to meet for Christmas. Their relationship remains a frequent subject of tabloid coverage.
Previous relationships
Before Katie Price, Slater had an on-off relationship with Love Island star Ella Barnes. He was also briefly involved with MAFS co-star Ella Morgan after the series ended, though the full duration and status of that relationship remain unclear.
As of the latest public statements (December 2025), JJ Slater and Katie Price are still together, despite occasional rumours of a split.
Timeline of key events in JJ Slater’s life
- 13 June 1992 – JJ Slater born in England, United Kingdom.
- 2023 – Appears as an intruder groom on Married at First Sight UK (series 8).
- 2023 – Diagnosed with Type 1 diabetes after a hospitalisation for high blood sugar.
- 2023–2024 – On-off relationship with Love Island star Ella Barnes.
- February 2024 – Begins a relationship with Katie Price; they go public.
- April 2024 – Slater defends the 14-year age gap with Price in an interview.
- December 2025 – Price confirms on her podcast that they are still together.
What is confirmed and what remains unclear?
| Established information | Information that remains unclear |
|---|---|
| JJ Slater appeared on MAFS UK 2023 as an intruder groom | Exact net worth – no official financial disclosure |
| He runs the fashion brand Fullyblessed Limited | Past relationship timeline with Ella Barnes and Ella Morgan |
| He co-owns Pink Restaurant & Nightclub in Essex | Details about his early life and education |
| His Instagram handle is @johnjoeslater | Whether the £4 million net worth figure is accurate |
| He is in a relationship with Katie Price (public since Feb 2024) | Future career plans or additional TV appearances |
How did JJ Slater rise to fame?
JJ Slater’s path to public recognition follows the typical reality TV influencer pipeline. His appearance on Married at First Sight UK provided a national platform, which he leveraged to expand his existing fashion business. The high-profile connection with Katie Price amplified his media coverage and search interest. However, much of his personal background – including precise net worth and early career details – remains subject to speculation rather than verified reporting.
Where does the information about JJ Slater come from?
Primary sources include Slater’s own social media accounts (Instagram, TikTok) and reports from entertainment outlets such as heatworld.com, the Mirror, and briefly.co.za. Basic biographical data is also listed on FamousBirthdays, though that source has lower authority. No official statements from Slater’s financial accounts or management have been released regarding his net worth. The Mirror topic page aggregates news about him, while the Daily Mail has published quotes from Slater defending his relationship. Users should note that an IMDB entry for “J.J. Slater” born in 1978 refers to a different individual (a producer/cinematographer), not the reality TV star.
What is the key takeaway about JJ Slater?
JJ Slater is a British reality TV personality and fashion entrepreneur who first came to public attention on Married at First Sight UK. He is best known for his relationship with Katie Price and his streetwear brand Fullyblessed Limited. While his net worth is widely speculated to be in the millions, no verified figures exist. His story reflects how reality TV exposure can be turned into a business and media career, even when personal details remain only partially documented.
Frequently asked questions about JJ Slater
What is JJ Slater’s full name?
John Joe Slater, known publicly as JJ Slater.
Where is JJ Slater from?
He was born in England, United Kingdom.
Does JJ Slater have children?
There is no public information indicating he has children.
What is JJ Slater’s height?
His height has not been officially confirmed.
Is JJ Slater still dating Katie Price?
As of December 2025, Katie Price confirmed they are still together.
What is JJ Slater’s net worth?
He is described as a “secret millionaire”, but no official figure has been verified.
What show is JJ Slater from?
He appeared on Married at First Sight UK (series 8) as an intruder groom.
What happened with JJ Slater and Ella Morgan?
They developed a connection on MAFS UK and left the experiment together, but the relationship did not last.
Does JJ Slater own a clothing brand?
Yes, he founded and owns Fullyblessed Limited, a streetwear brand.
Does JJ Slater have diabetes?
Yes, he was diagnosed with Type 1 diabetes in 2023.
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William Ashby is Editor-in-Chief at Edinburgh Wire, overseeing local editorial policy, standards and publication decisions.