Twelve new famous faces have sashayed into the 'Celebrity Big Brother' house and made themselves at home in the lavish surroundings, but - in the words of Nikki Grahame - WHO ARE THEY?!

Handily, we've got this guide to the new housemates to help you answer that question...

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  • Luisa Zissman

    <strong>Known for:</strong> Appearing on 'The Apprentice' <strong>Did you know?</strong> Luisa successfully launched the business she pitched to Lord Sugar on the show by herself last year.

  • Sam Faiers

    <strong>Known for:</strong> Starring on 'TOWIE' <strong>Did you know?</strong> Sam is the fourth cast member of 'The Only Way Is Essex' to appear on 'CBB', following in the footsteps of Amy Childs, Kirk Norcross and Mario Falcone.

  • Dappy

    <strong>Known for:</strong> Being a member of N-Dubz <strong>Did you know?</strong> Dappy was found guilty of assault and affray last year but managed to escape jail. Now he'll be locked up in the Big Brother house!

  • Ollie Locke

    <strong>Known for:</strong> Starring on 'Made In Chelsea' <strong>Did you know?</strong> The 'Made In Chelsea' star is openly bisexual and has previously dated Topshop heiress Chloe Green.

  • Lee Rylan

    <strong>Known for:</strong> Being a member of boyband Blue <strong>Did you know?</strong> Lee has said he would never snog anyone on TV because of his two kids. “I find that really distasteful. I couldn’t kiss anyone when I know my kids are sitting in front of the TV, going: ‘Hi, Daddy!’" he told The Mirror.

  • Jim Davidson

    <strong>Known for:</strong> Being a TV presenter, most notably on 'Big Break' and 'The Generation Game' <strong>Did you know?</strong> He was supposed to appear on last January's series, but had to pull out after he was wrongly arrested for sex abuse charges.

  • Linda Nolan

    <strong>Known for:</strong> Being an actress and a member of The Nolans <strong>Did you know?</strong> Linda has battled breast cancer, and lost her sister Bernie to the same disease last year.

  • Lionel Blair

    <strong>Known for:</strong> Being a dancer, choreographer and all-round showbiz legend <strong>Did you know?</strong> Lionel is one of the oldest ever housemates to enter the CBB house at the age of 82.

  • Evander Holyfield

    <strong>Known for:</strong> Being a boxer <strong>Did you know?</strong> He famously had his ear bitten off by Mike Tyson during a fight in 1997.

  • Liz Jones

    <strong>Known for:</strong> Being a Daily Mail journalist <strong>Did you know?</strong> Liz has taken aim at Holly Willoughby in her controversial column, but met her match in Rihanna when the singer took her to task about an article she'd written about her.

  • Casey Batchelor

    <strong>Known for:</strong> Being a model <strong>Did you know?</strong> She previously dated former 'CBB' housemate and 'TOWIE' star Kirk Norcross.

  • Jasmine Waltz

    <strong>Known for:</strong> Being an actress and model <strong>Did you know?</strong> She previously dated Kelly Brook's ex Danny Cipriani after they broke up the first time in 2010.

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