The show sees a handful of civilians locked in the confines of a purpose built house.
Housemates are voted out week-by-week – until one is crowned the winner.
There have been in total 18 winners of Big Brother – 10 men and eight women.
The reality concept originated in the Netherlands, and has gone on to catapult the likes of Jade Goody, Nikki Grahame and Chanelle Hayes to fame.
Here is a closer look at every winner to date, from Craig Phillips to Isabelle Warbuton.
Craig Phillips became the first ever winner of Big Brother, putting the show on the map.
He is an English builder and TV personality, born in Liverpool on October 16, 1971.
At the age of 18, the keen builder started working in a local construction company.
Craig went on to set up his own construction business in the 1990s, before joining Big Brother in 2000.
Likeable Craig won the hearts of the nation with his cheeky humour.
The generous TV personality famously donated his entire £70,000 prize to his friend with Down’s syndrome, Joanne Harris – to pay for her heart and lung transplant.
Craig has since used his fame to combine construction and media to become one of the UK’s leading DIY and home improvement experts.
Brian is a TV presenter and pantomime actor, and famously won the second series of Big Brother.
The Irish TV personality was born on June 13, 1978.
Brian has also gone on to win other reality TV shows such as Come Dine With Me and Ultimate Big Brother in 2010.
Getting a taste for reality TV, he also took part in Hell’s Kitchen and the Irish Fálite Towers.
He even presented two seasons of Big Brother, and four of Celebrity Big Brother, replacing Davina McCall.
He has presented a number of programmes, but currently presents The Real Housewives of Cheshire and Sitting on a Fortune.
Kate Lawler, born May 7, 1980 became the first ever female winner of the reality show.
Since winning the show, she turned her interests towards presenting, working as a DJ and modelling.
The talent became a DJ on Capital FM in September 2002, and also went on to present Channel 4’s RI:SE and Kerrang.
Kate also took part in Celebrity Love Island 2 in 2006, where she finished in third place.
The self-confessed fitness lover currently presents a show on Virgin Radio.
Cameron Stout was born March 8 1971 in Orkney, Scotland.
Cameron, worked at a fish trader before going on to win the fourth season, bagging a staggering 1.9 million votes.
He was known for his strong religious beliefs, and used his new-found fame to become a spokesman for the Hall of Clestrain in the BBC series Restoration.
The keen writer now does regular columns for The Sunday Post and the Aberdeen Evening Express.
Nadia Almada regularly tops polls as “Britain’s favourite winner”.
Host Davina McCall also famously revealed Nadia as her favourite winner ever.
Nadia was born January 18, 1977, as Jorge, and secured 74% of the public vote, becoming Britain’s first transgender winner.
After winning the show Nadia released a single called A Little Big of Action, which reached number 27 in the UK charts.
The reality star has since gone on to take part in a number of other shows including Come Dine With Me, Channel 4’s Fool Around With… and Ultimate Big Brother.
The 40 year-old is now working as a hair colour technician in London.
Anthony Hutton, born in March 1982, became the sixth winner of the reality show.
The dancer and hairdresser walked away with a £50,000 prize.
His did-they-or-didn’t-they antics in the hot tub with fellow housemate Makosi Musambasi is still one of the most talked about BB storylines to date.
Anthony’s Big Brother fame was short lived, having only occasional public appearances.
One of these was Sky One’s The Match.
He has since returned to his hometown of Durham, and is living normal life as a barber away from the spotlight.
Pete Bennett – Jeremy Kyle
Pete, born March 22, 1982, walked away with a whopping £100,000 after securing his win.
Loveable Pete has Tourette’s Syndrome, which the show was accused of exploiting.
However, The Tourette Syndrome Association were later satisfied that it had “put Tourette’s on the map”.
Despite his massive win, Pete has returned to working as a cleaner to make a living.
After taking part in the show, he released a successful autobiography, but found it difficult to be taken seriously after the show.
In his Jeremy Kyle Show appearance, he revealed he blew his fortune on a ketamine addiction in 2015.
He said: “I had all the money and didn’t know what to do with it. I put it on the wrong things.”
He is currently charging £100 an hour for his cleaning services.
Brian, born July 10, 1987, is the youngest contestant ever to win the programme.
He was 19 when is he entered the house, and 20-years-old at the time of winning.
Following his success in the Big Brother house, he went on to release a single that failed to appear in the charts.
The Essex boy famously took legal action against the makers of TOWIE in 2013, claiming they stole the idea from him.
Brian claimed he had been working on the idea with Sassy films and Massive TV, but he later agreed to a settlement with ITV and Lime Pictures.
The entertainer has since worked for Harry Hill’s TV Burp and Big Brother’s Big Mouth and written an internet column for Heat magazine.
Welsh actress Rachel Rice, born March 7, 1984, won the ninth series after being dubbed the nicest winner in reality TV history.
Rachel, who has a degree in English and Drama, declared she would spend her winnings on paying off her student debt, and also give money to charity.
The fully-certified teacher has opted for a career away from the limelight, and is an Associate Assistant Head Teacher of a secondary school in Wales.
Bubbly Sophie Reade, born May 18, 1989 in Cheshire, had to work hard for her Big Brother win.
She even had to officially change her middle name to “Dogface” as part of a challenge.
The glamour model went on to work for various publications including Playboy.
The beauty has currently taken a break from modelling to give birth to her son.
She regularly posts pictures on her Instagram account to her 52,000 followers.
Josie Gibson, born January 24, 1985, worked as a sales rep before winning the show aged 25.
Her win was followed by great success, becoming a showbiz reporter for OK! TV, and regularly writing a column for Now magazine.
She also released her own perfume called Josie in 2011.
Josie’s fame rose due to her incredible weight loss, after losing more than 7st, leading her to work as a personal trainer and nutritional advisor.
On her Twitter she describes herself as a: “PT, Nutritional advisor, weight loss guru.”
Aaron Allard-Morgan, born November 20, 1980, was a contract manager from Weston-super-Mare, before becoming the twelfth winner of the show.
He has made several TV appearances since 2011, including OK! TV, The Wright Stuff and Big Brother’s Bit on the Side.
He also wrote a book about his experience on Big Brother.
Aaron ran his own bar in his home town, which has since closed down.
Transgender chef Luke Anderson, born in South Africa in 1981, won the series aged 31.
He became the first transgender man to win the show, and is an ambassador for trans rights.
The successful chef went on to further his career, and is now working as head chef at The Pied Bull, the oldest coaching house in Chester.
He also won Flintshire Chef of the year in 2010 at the age of 29.
This year he welcomed twins into the world with his husband Jamie-Lee Anderson.
Sam Evans, 27, was a stock assistant before going on the win the fourteenth series.
Little is known about the TV personality post-Big Brother, who was born with 70-80% hearing loss.
In 2014 he took part in a Welsh TV programme on S4C, where he learned to speak the Welsh language with other celebrities.
He is also an ambassador for SoundSeekers, a charity that helps deaf and hearing impaired people in poor communities.
Helen Wood, born November 28, 1986 in Bolton, was crowned Big Brother champion in 2014.
The eyebrows beauty technician found fame after having a threesome with Everton striker Wayne Rooney.
The journalist then went on to write a column for the Daily Star newspaper, but wrote her last piece in March this year.
The controversial star is currently writing her autobiography which is due to be released this year.
Chloe won over the British public in 2015, and won the sixteenth series.
According to reports, Chloe returned to her day job after the show.
On her Twitter bio she describes herself as a “Medical Cannabis Activist and CBD seller”, CBD is a cannabis compound that is believed to have medical benefits.
She announced to her followers that she is engaged and gave birth to a baby this year.
Winner Jason Burrill describes himself as a property developer and an actor, but has currently only starred in one film, Essex Vendetta.
He was also cast as the body double of Dave Bautista in Spectre and Guardians of the Galaxy.
His time in the house was tainted by the fact that ex-girlfriend Charlie Doherty was planted in ‘The Others’ house next door, who wanted him back despite J not being interested.
Jason is the oldest housemate to go on to win at 45 years-old.
Isabelle, 21, was involved in this year’s most controversial moment, when her row with Lotan Carter saw him leave the house.
Despite this, she went on to be crowned 2017 champion.
Speaking about what the Warrington girl wants to do after Big Brother, she said: “I want to have the best summer ever, I’m in between jobs at the moment so why the hell not?”
Glamorous Isabelle is hoping to launch a women’s tanning salon.
She said: “ I’m going to embrace what I do best, and that’s tanning! I want to open 20 shops across the UK ultimately. A few tanning brands have been in touch wanting to get involved.”