Celebrity Big Brother (British TV series) series 18

Celebrity Big Brother 18 was the eighteenth series of the British reality television series Celebrity Big Brother, hosted by Emma Willis and narrated by Marcus Bentley. The series launched on 28 July 2016, just two days after the conclusion of Big Brother 17 on Channel 5 in the United Kingdom and TV3 in Ireland. The series ended on 26 August 2016, making it the longest summer series to date and the third-longest series of Celebrity Big Brother in its history, behind series 15 and 17, respectively. Rylan Clark-Neal continued to present the spin-off show Celebrity Big Brother's Bit on the Side. It was the eleventh celebrity series and the seventeenth series of Big Brother overall to air on Channel 5.

On 26 August 2016, the series was won by Stephen Bear with Ricky Norwood finishing as runner-up.

Eye logo
The official eye logo for the series was released on 8 July 2016 when it was posted online by presenter Emma Willis. The eye is the same that was used in Big Brother 17 which was split, with black on one side and white on the other with shattered, coloured glass separating them down the middle, however the logo features a star in the middle to represent the celebrity series. On 15 July 2016 a revamped eye was revealed. The revamped eye is the same as the former eye, but now split into a gold half and a white half.

Teasers
On 19 July 2016, a brief 4-second "eye flash" aired on Channel 5 with the series eye logo emblazoned on a suitcase. On 21 July 2016, countdown adverts started airing with clues to the housemates identities, with the clues being "Beach bod", "Glamour puss", "National treasure", and "Iconic model".

Broadcasting
On 8 July 2016, it was confirmed that the spin-off show Bit on the Side would air an additional episode on Sunday nights on 5Star. Hour-long midnight live feed also returned for the series.

House
On 28 July 2016, Good Morning Britain toured the house and uploaded a 30-second video to their YouTube channel containing pictures of the kitchen area, stairs, bedroom and an empty living area. The sofa was confirmed to be Emerald Green.

The staircase was changed to gold along with the diary room door and walls. In the bedroom the gold theme continued and the carpet was changed to cream colour. The pod was also changed to a golden front with a red and orange theme inside. The bathroom was pretty much the same however all of the LED lighting was changed to a golden colour to complement the celebrity series.

Housemates
On Day 1, fifteen housemates entered the house:

Aubrey O'Day
Aubrey O'Day is an American singer and reality television personality. She competed in the MTV series Making the Band, on which she won a place as a member of girl group Danity Kane. She also formed the musical duo Dumblonde, and has made appearances on television shows such as All About Aubrey and The Celebrity Apprentice. She entered the house on Day 1. On Day 6, she received a formal and final warning for unacceptable behaviour. On Day 30, she left the house in fifth place.

Stephen Bear
Stephen Bear, known as Bear, is a British reality television personality. He first appeared as a contestant on the Channel 4 series Shipwrecked, before appearing as a cast member on the third series of MTV's Ex on the Beach. He entered the house on Day 1. On Day 7 he was given a formal and final warning for unacceptable behaviour. On Day 9, he was cursed with eternal nomination for the duration of the series by his other housemates and faced every subsequent eviction. On Day 30, he left the house as the winner.

Christopher Biggins
Christopher Biggins, also known as Biggins, is an English actor and television presenter, most known for his roles in television and theatre. In 2007 he won the seventh series of I'm a Celebrity... Get Me Out of Here!. He entered the house on Day 1. He was removed from the house on Day 9 after making offensive comments. Forty-four people complained to Ofcom about comments Biggins made about bisexuals, but Ofcom ruled that although the comments could cause offence, they were likely to be within the audience's expectations, and his comments were therefore found not to be in breach of broadcasting rules.

Chloe Khan
Chloe Khan, formerly known as Chloe Mafia, is a British model and media personality. She is most known for her audition during the seventh series of The X Factor, and for appearing on Snog Marry Avoid?. She later became a Playboy model. She entered the house on Day 1. She became the third housemate to be evicted on Day 16, following an eviction showdown with Marnie.

Frankie Grande
Frankie Grande is an American internet personality, dancer, singer, and actor, who is the half-brother of Ariana Grande. As an actor, he has appeared in Broadway musicals such as Mamma Mia! and Rock of Ages. In 2014, he competed in the sixteenth series of Big Brother USA where he finished fifth. He entered the house on Day 1. On Day 30, he left the house in sixth place.

Grant Bovey
Grant Bovey is a British businessman, most notable for his former marriage to television presenter Anthea Turner. He entered the house on Day 1. He became the first housemate to be evicted.

Heavy D
Colin Newell, better known as Heavy D, was a British television personality, best known for appearing as a main buyer on Storage Hunters UK. He also made appearances on the YouTube football fan channel ArsenalFanTV. He entered the house on Day 1. He became the fourth housemate to be evicted on Day 20.

James Whale
James Whale is an English television and radio broadcaster. He became the host of The James Whale Show on Radio Aire in Leeds in the 1980s, which was simulcast on national television. He also hosted a night time radio show on talkSPORT between 1995 and 2000. He entered the house on Day 1. He became the sixth to be evicted on Day 23.

Katie Waissel
Katie Waissel is an English singer-songwriter, who was a finalist on the seventh series of The X Factor and finished seventh. She entered the house on Day 1. She became the seventh housemate to be evicted on Day 27.

Lewis Bloor
Lewis Bloor is an English reality television personality, best known for starring as a cast member in the ITVBe semi-reality programme The Only Way Is Essex. He entered the House on Day 1. On Day 20, he was given a formal and final warning for unacceptable behaviour. He became the fifth housemate to be evicted on Day 23.

Marnie Simpson
Marnie Simpson is an English reality television personality, best known for appearing as a cast member in the MTV reality series Geordie Shore. She entered the house on Day 1. On Day 30, she left the house in fourth place.

Renee Graziano
Renee Graziano is an American reality television personality and author, most notable for appearing as a cast member on the VH1 reality series Mob Wives. She is the daughter of Anthony Graziano, a former consigliere of the Bonanno crime family. She entered the house on Day 1. On Day 30, she left the house in third place.

Ricky Norwood
Ricky Norwood is an English actor, most notable for playing Fatboy in the BBC soap opera EastEnders between 2010 and 2015. He entered the House on Day 1. On Day 30, he left the house as runner-up.

Saira Khan
Saira Khan is an English television personality. She is best known for being the runner-up on the first series of The Apprentice, and for appearing as a regular panellist on Loose Women. She entered the house on Day 1. She was the second housemate to be evicted on Day 13.

Samantha Fox
Samantha Fox is an English singer, songwriter, and former model, best known for appearing as a model on Page 3 of The Sun newspaper in the mid-1980s. She released her debut single "Touch Me (I Want Your Body)" in 1986, which reached number one in several countries. She also took part in the ninth series of I'm a Celebrity... Get Me Out of Here!, where she finished ninth. She entered the house on Day 1. She became the eighth housemate to be evicted on Day 27.