Last night Celebrity Big Brother 20 launched and a whole host of celebrities entered the most famous house on TV.
First in was former EastEnders star Shaun Williamson, who went into the house to cheers of "Barry" in reference to his character in the show. Once inside he was called to the diary room and set a secret task of acting as nervous as possible around the contestants and undertaking a number of tasks such as giving out hugs and getting other celebs to join in sing songs.
The men this year are made up mostly of reality stars including Sam Thompson from Made In Chelsea, Jordan Davies from Ex On The Beach and American Chad Johnson from The Bachelorette. A last minute addition to the line-up was The Apprentice star Karthik Nagesan, best known for being fired on the spot.
Former Girls Aloud singer Sarah Harding was the first woman to enter the house, with many hoping she'd spill the beans on her famous fallout with Cheryl. However she has already stated she won't talk about what happened and told host Emma Willis that she "Doesn't like confrontation". Here's our gallery of the full line-up:
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Celebrity Big Brother 2017 - who's in the house?
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Sam Thompson, 24, Reality Star
Amelia Lily, 22, West End Leading Lady
Amelia Lily rose to fame in 2011 when she finished third on The X Factor UK. Straight off the back of her X Factor journey, her debut single 'You Bring Me Joy' reached number two in the Official UK Singles Chart.
Brandi Glanville, 44, Reality Queen
Brandi Glanville is an American reality television personality, author and former model - best known for appearing in The Real Housewives Of Beverly Hills.
Chad Johnson, 29, Reality Star
Chad Johnson Chad Johnson rose to fame in 2016 when he took part in the American series, The Bachelorette, as the show's brand new villain. Chad has continued to star in reality TV starring in both Bachelor in Paradise 3 and Famously Single 2.
Derek Acorah, 67, Psychic Medium
Derek Francis Johnson, professionally known as Derek Acorah, is a TV Psychic best known for appearing on paranormal television series, Most Haunted.
Helen Lederer, 62, Absolutely Fabulous Actress
Helen Lederer is an English actress and comedian, best known for her role in the comedy series, Absolutely Fabulous. In the show, she played dippy Catriona, an employee at Patsy's magazine.
Jemma Lucy, 29, Ex on the Beach All Star
Jemma Lucy is an MTV reality star, best known for taking part in two seasons of Ex on the Beach. She also works as a tattoo model.
Paul Danan, 38, Ex-Hollyoaks Star
Paul Danan began his career as an actor on Hollyoaks, where he played the role of Sol Patrick. However, he is best known for his appearance in two series of Celebrity Love Island. During the show, Paul was remembered for his meltdowns and screaming matches.
Jordan Davies, 25, Ex On The Beach Star
Jordan Davies is a Welsh television personality, best known for appearing in Ibiza Weekender. He also appeared on MTV's Ex On The Beach.
Marissa Jade, 32, Mob Wives Season 6
Marissa Jade is an American model and actress, best known for appearing in the series Mob Wives.
Karthik Nagesan, 35, The Apprentice Star
Karthik Nagesan is best known for appearing on The Apprentice. He was fired on the spot by Lord Sugar after one of the worst results the show has ever seen, selling just £188 compared to his rival's £40,000 plus!
Shaun Williamson,
Shaun Williamson is a British actor, best known for playing Barry Evans in the soap, EastEnders. In 2004, more than 14 million viewers watched on as his character Barry was pushed to his death.
Sandi Bogle, Gogglebox legend
Sandi Bogle is best known for her appearance in Gogglebox. She is the mum of four children, has several grandchildren and is Naomi Campbell's cousin!
Sam Thompson, 24, Reality Star
Sam Thompson is a British reality star. He is best known for appearing in Made In Chelsea, alongside his sister, Louise.
Trisha Paytas, Internet Sensation
Trisha Paytas is an American internet sensation, actress and singer-songwriter. She rose to fame in 2006 after launching her YouTube channel 'blndsundoll4mj', uploading videos about her idol Quentin Tarantino. Trisha is an open book; vlogging and sharing all her life's trials and tribulations to her 2.8 million subscribers. One of her videos, 'Our Sex Life', has over 80 million views!
Sarah Harding, Girls Aloud singer
Sarah Harding is an English recording artist, dancer, model, and actress who rose to fame as one fifth of Girls Aloud. Sarah made her debut appearance on 2002's PopStar: The Rivals, securing her place in the hit girl band.
Marissa Jade, 32, Mob Wives Season 6
Sandi Bogle, Gogglebox legend
Shaun Williamson,
Jordan Davies, 25, Ex On The Beach Star
Trisha Paytas, Internet Sensation
Karthik Nagesan, 35, The Apprentice Star
Helen Lederer, 62, Absolutely Fabulous Actress
Brandi Glanville, 44, Reality Queen
Jemma Lucy, 29, Ex on the Beach All Star
Paul Danan, 38, Ex-Hollyoaks Star
Amelia Lily, 22, West End Leading Lady
Sarah Harding, Girls Aloud singer
Chad Johnson, 29, Reality Star
Derek Acorah, 67, Psychic Medium
Sam Thompson, 24, Reality Star
Amelia Lily, 22, West End Leading Lady
Amelia Lily rose to fame in 2011 when she finished third on The X Factor UK. Straight off the back of her X Factor journey, her debut single 'You Bring Me Joy' reached number two in the Official UK Singles Chart.
Brandi Glanville, 44, Reality Queen
Brandi Glanville is an American reality television personality, author and former model - best known for appearing in The Real Housewives Of Beverly Hills.
Chad Johnson, 29, Reality Star
Chad Johnson Chad Johnson rose to fame in 2016 when he took part in the American series, The Bachelorette, as the show's brand new villain. Chad has continued to star in reality TV starring in both Bachelor in Paradise 3 and Famously Single 2.
Derek Acorah, 67, Psychic Medium
Derek Francis Johnson, professionally known as Derek Acorah, is a TV Psychic best known for appearing on paranormal television series, Most Haunted.
Helen Lederer, 62, Absolutely Fabulous Actress
Helen Lederer is an English actress and comedian, best known for her role in the comedy series, Absolutely Fabulous. In the show, she played dippy Catriona, an employee at Patsy's magazine.
Jemma Lucy, 29, Ex on the Beach All Star
Jemma Lucy is an MTV reality star, best known for taking part in two seasons of Ex on the Beach. She also works as a tattoo model.
Paul Danan, 38, Ex-Hollyoaks Star
Paul Danan began his career as an actor on Hollyoaks, where he played the role of Sol Patrick. However, he is best known for his appearance in two series of Celebrity Love Island. During the show, Paul was remembered for his meltdowns and screaming matches.
Jordan Davies, 25, Ex On The Beach Star
Jordan Davies is a Welsh television personality, best known for appearing in Ibiza Weekender. He also appeared on MTV's Ex On The Beach.
Marissa Jade, 32, Mob Wives Season 6
Marissa Jade is an American model and actress, best known for appearing in the series Mob Wives.
Karthik Nagesan, 35, The Apprentice Star
Karthik Nagesan is best known for appearing on The Apprentice. He was fired on the spot by Lord Sugar after one of the worst results the show has ever seen, selling just £188 compared to his rival's £40,000 plus!
Shaun Williamson,
Shaun Williamson is a British actor, best known for playing Barry Evans in the soap, EastEnders. In 2004, more than 14 million viewers watched on as his character Barry was pushed to his death.
Sandi Bogle, Gogglebox legend
Sandi Bogle is best known for her appearance in Gogglebox. She is the mum of four children, has several grandchildren and is Naomi Campbell's cousin!
Sam Thompson, 24, Reality Star
Sam Thompson is a British reality star. He is best known for appearing in Made In Chelsea, alongside his sister, Louise.
Trisha Paytas, Internet Sensation
Trisha Paytas is an American internet sensation, actress and singer-songwriter. She rose to fame in 2006 after launching her YouTube channel 'blndsundoll4mj', uploading videos about her idol Quentin Tarantino. Trisha is an open book; vlogging and sharing all her life's trials and tribulations to her 2.8 million subscribers. One of her videos, 'Our Sex Life', has over 80 million views!
Sarah Harding, Girls Aloud singer
Sarah Harding is an English recording artist, dancer, model, and actress who rose to fame as one fifth of Girls Aloud. Sarah made her debut appearance on 2002's PopStar: The Rivals, securing her place in the hit girl band.
Marissa Jade, 32, Mob Wives Season 6
Sandi Bogle, Gogglebox legend
Shaun Williamson,
Jordan Davies, 25, Ex On The Beach Star
Trisha Paytas, Internet Sensation
Karthik Nagesan, 35, The Apprentice Star
Helen Lederer, 62, Absolutely Fabulous Actress
Brandi Glanville, 44, Reality Queen
Jemma Lucy, 29, Ex on the Beach All Star
Paul Danan, 38, Ex-Hollyoaks Star
Amelia Lily, 22, West End Leading Lady
Sarah Harding, Girls Aloud singer
Chad Johnson, 29, Reality Star
Derek Acorah, 67, Psychic Medium
Sam Thompson, 24, Reality Star
Emma Willis returns as host and Rylan Clark-Neal will host Celebrity Big Brother's Bit On The Side.
Previously the celebs have been competing only for a career boost, but this year the victor will win £50,000 for their chosen charity.