They’ve been joined by US model and TV personality Jasmine Waltz, ‘Loose Women’ panellist Coleen Nolan, model Nicola McLean, as well as series 16 runner-up Austin Armacost, who wasted no time in slating new housemates Speidi in his opening VT, branding them “full of shit”.
Series 15 participant Calum Best - the son of late footballer George Best - also entered the house as an All Star, while his mother Angie also became a New Star.
Check out their full profiles below:
Heidi Montag and Spencer Pratt
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Eamonn M. McCormack via Getty Images
Ages: 30 and 33 Status: All Stars (runners up of ‘CBB11’) Famous For: Former stars of US reality show ‘The Hills’ Odds Of Winning: 9/1
Coleen Nolan
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Mike Marsland via Getty Images
Age: 51 Status: All Star (runner up of ‘CBB10’) Famous For: Panellist on ITV’s ‘Loose Women’ Odds Of Winning: 16/1
Nicola McLean
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Ian West/PA Wire
Age: 35 Status: All Star (finished 7th on ‘CBB12’) Famous For: Model and wife of footballer Tom Williams Odds Of Winning: 33/1
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James Jordan
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Ian West/PA Wire
Age: 38 Status: All Star (finished third on ‘CBB14’) Famous For: Former professional dancer on ‘Strictly Come Dancing’ Odds Of Winning: 12/1
Jasmine Waltz
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Mike Marsland via Getty Images
Age: 34 Status: All Star (evicted first on CBB13’) Famous For: US actress and model Odds Of Winning: 20/1
Bianca Gascoigne
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Mike Marsland via Getty Images
Age: 30 Status: New Star Famous For: TV personality daughter of footballer Paul Odds Of Winning: 25/1
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Jamie O’Hara
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Mike Marsland via Getty Images
Age: 30 Status: New Star Famous For: Footballer for Gillingham. He used to be married to ex-’CBB’ housemate Danielle Lloyd. Odds Of Winning: 12/1
Ray J
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Mike Marsland via Getty Images
Age: 35 Status: New Star Famous For: US singer and TV personality best known for his sex tape with ex-girlfriend Kim Kardashian. Odds Of Winning: 9/1
Calum Best
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Mike Marsland via Getty Images
Age: 35 Status: All Star (finished third on ‘CBB15’) Famous For: TV personality and son of late footballer George Best Odds Of Winning: 7/1
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Austin Armacost
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Mike Marsland via Getty Images
Age: 28 Status: All Star (runner-up of ‘CBB16’) Famous For: US TV personality who starred on ‘The A-List: New York’ Odds Of Winning: 10/1
James Cosmo
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Mike Marsland via Getty Images
Age: 68 Status: New Star Famous For: Actor who played Jeor Mormont, Lord Commander of the Night's Watch in ‘Game Of Thrones’ Odds Of Winning: 20/1
Angie Best
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Ian West/PA Wire
Age: 64 Status: New Star Famous For: Former model and Playboy bunny who was married to late footballer George Best. Her son Calum is also a housemate. Odds Of Winning: 33/1
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Brandon Block
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Mike Marsland via Getty Images
Age: 49 Status: New Star Famous For: 1990s club DJ who famously had a run in with Ronnie Wood at the BRITs. Odds Of Winning: 16/1
Stacy Francis
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Mike Marsland via Getty Images
Age: 47 Status: New Star Famous For: Singer who appeared on ‘The X Factor USA’ in 2011, and previously had beef with Whitney Houston over fellow housemate Ray J. Odds Of Winning: 25/1
In a twist, the All Star housemates were made the ‘producers’ of the series, and entered a separate production office, away from the New Stars.
While in there, they were tasked with picking out which of the newbies the thought would be the least entertaining and should be ‘edited out’ of the show.
Big Brother then informed her she would not receive her possessions, have to wear a beige tracksuit at all times and would be edited out of all key events in the house.
Host Emma Willis later announced the All Stars would be choosing another housemate to join Stacey in being edited out over the coming days.
She then informed viewers two new housemates would be entering the house in a live show on Friday.
‘Celebrity Big Brother’ continues on Wednesday at 9pm on Channel 5.