The new series of Celebrity Big Brother kicked off on Tuesday night with a record 16 housemates taking part in the reality show, including Irishman Jeremy McConnell - a former Mr Ireland.
The Only Way is Essex's Gemma Collins and EastEnders duo John Partridge and Danniella Westbrook were the first three into the house.
They were soon joined by X Factor finalist Christopher Maloney, US game show contestant Tiffany Pollard and West End star Darren Day, with all making nervous conversation.
There was also some awkwardness as former friends Westbrook and Maloney came face to face.
Next in were Ex on the Beach's Megan McKenna, politician Winston McKenzie, producer David Gest and Geordie Shore's Scotty T.
McKenzie's stay looks set to be a very short one after he made deeply offensive comments about homosexuality in his pre-recorded interview.
Strictly Come Dancing's Kristina Rihanoff said she hoped to be "the mum of the house" and made her entrance in a red sleeveless evening dress, while Keeping up with the Kardashians regular Jonathan Cheban greeted his new housemates by saying: "Everybody looks so good."
Actress and author Angie Bowie, the ex-wife of David Bowie, took a similar ice-breaking approach, describing everyone as "so handsome and beautiful".
Last in were former Hollyoaks star Stephanie Davis, onetime Mr Ireland Jeremy McConnell and former Strictly Come Dancing contestant Nancy Dell'Olio.
Most of the new arrivals were pre-occupied with finding a way to unlock the crates of alcohol in the house.
In the first challenge of the series, Big Brother asked for two contestants to be locked in a box without any creature comforts. Partridge and Day volunteered and were tasked with deciding which of their fellow constants' suitcases would be locked away. They chose Maloney's, McKenzie's and Westbrook's, as they believed they would cope best without their possessions.
Partridge and Day were later offered the temptation of luxury food while their housemates ate gruel, but they declined, and so the rest of the contestants dined well while the duo went back to basics.
Who's Who:
Gemma Collins: The Only Way Is Essex star only lasted three days in the jungle during 2014's I'm a Celebrity... Get Me out of Here! Her relationship with fellow TOWIE star James Argent ('Arg') made headlines on numerous occasions until they broke up in 2012.
John Partridge: The former EastEnders actor starred as Christian Clarke from 2008 until he bowed out from the soap in 2012 - although he popped back in for the 30th anniversary special last year. He is also a big name in musical theatre and played Rum Tum Tugger in the official film production of Andrew Lloyd Webber's musical Cats.
Danniella Westbrook: The former EastEnders actress has played Samantha Mitchell in the soap on and off since 1990. Westbrook battled cocaine addiction and has spoken about her struggle in interviews.
Christopher Maloney: The former X Factor contestant made the final of the music show in 2012. Appearing on TV last year he admitted to having had over £60,000 worth of plastic surgery after online trolls mocked him about his looks, shattering his self-confidence.
Tiffany Pollard: Is best known for competing in US game show Flavour of Love and reality series I Love New York.
Darren Day: The musicals star is no stranger to reality TV. He appeared in I'm a Celebrity... Get Me out of Here! back in 2002.
Megan McKenna: One of the stars of MTV reality show Ex on the Beach. She auditioned as a singer on Britain's Got Talent and The X Factor, but was unsuccessful.
Winston McKenzie: The former UKIP spokesman is now the English Democrats' candidate for London mayor.
David Gest: The American TV and stage producer appeared on the 2006 series of I'm a Celebrity... Get Me out of Here!. He was briefly married to Liza Minnelli and had a friendship with Michael Jackson and his brothers.
Scotty T: The Geordie Shore star, real name Scott Timlin, will hope to emulate the success of his cast mates Vicky Pattison (winner of I'm a Celebrity... Get Me out of Here! 2015) and Charlotte Crosby (winner of Celebrity Big Brother 2013).
Kristina Rihanoff: The Strictly Come Dancing professional dancer is currently dating rugby player Ben Cohen. She partnered Cohen when he appeared on the show in 2013. In last year's show she partnered Daniel O'Donnell.
Jonathan Cheban: The American is a close friend of Kim Kardashian and a regular on reality show Keeping up with the Kardashians. The public relations expert is the former CEO of CommandPR and the founder of luxury lifestyle website TheDishh.com.
Angie Bowie: The US model and actress was married to David Bowie until 1980. The 66-year-old famously published an updated version of her autobiography, Backstage Passes: Life on the Wild Side with David Bowie in 2000.
Stephanie Davis: The ex-Hollyoaks actress played Sinead O'Connor until last year. She was due to appear in I'm A Celebrity... Get Me out of Here! at the end of 2015 but due to a serious nut allergy could not go into the jungle.
Jeremy McConnell: The former Mr Ireland is great friends with former Big Brother housemate Marc O'Neill. He has said he is looking for romance in the house.
Nancy Dell'Olio: The Italian found fame in the UK as ex-England football boss Sven-Goran Eriksson's girlfriend. The 54-year-old competed in Strictly Come Dancing in 2011.
