[4] Jasmine Waltz returned to the house for Celebrity Big Brother 19 as an All-Star, representing this series.

[6] Emma Willis returned to present the main show for her second celebrity series, as well as selected episodes of Big Brother's Bit on the Side.

[8] Clark hosted Bit on the Psych alongside Iain Lee, who was previously a regular panellist on the show.

The house has a high class upgrade featuring a grand fireplace and opulent surroundings along with the small hot tub used last series.

Costadinos Contostavlos, better known by his stage name Dappy, is the lead singer of hip hop/grime trio N-Dubz with his cousin Tulisa.

He is a former Undisputed World Champion in both the cruiserweight and heavyweight divisions, earning him the nickname "The Real Deal".

He also represented the U.S. in the 1983 Pan American Games and the 1984 Summer Olympics, winning silver and bronze medals respectively.

On Day 2, Evander received a formal warning from Big Brother, after he said that gay people are not normal and can be fixed, during a conversation with Luisa.

[15] He and Luisa were released from their handcuffs on Day 3, but since they lost the immunity tasks, the two were automatically put up for the first eviction.

Jasmine Waltz is an American model and actress from Las Vegas, Nevada, who had minor roles in films and television shows such as Femme Fatales and Secret Girlfriend.

On Day 23, she returned as a guest for the "For Whom the Bell Tolls" task, where she confronted both Casey and Lee before leaving again shortly after.

James Cameron "Jim" Davidson, is a British comedian, also known for presenting TV shows such as Big Break and The Generation Game.

Jim was originally meant to be taking part in the eleventh series of the show, but was arrested hours before the launch by policemen working on Operation Yewtree.

After leaving the group in 1983, she went on to perform in theatre productions including Prisoner Cell Block and Blood Brothers.

According to the Belfast Telegraph, she entered in an attempt to make a turn around from her personal struggles and living from the UK benefits system.

The two had years of history, when Linda's late husband Brian Hudson was caught red-handed stealing money from comic Frank Carson's dressing room in 1995.

He appeared in films such as The Limping Man, The World of Suzie Wong, The Beauty Jungle, A Hard Days Night and The Plank.

Elizabeth "Liz" Jones is a British journalist and newspaper columnist, who was a former editor of Marie Claire magazine.

Following the launch night's twist and task, she and Dappy were later free from their handcuffs, but both were therefore automatically nominated to face the first eviction.

Luisa Zissman (born Louisa Christina Kalozois) is a British retail entrepreneur and reality television contestant, who was the runner-up on the ninth series of The Apprentice.

Samantha "Sam" Faiers is an English reality television personality and glamour model, who stars in The Only Way Is Essex.