A FORMER world heavyweight boxing champion has joined several reality TV regulars and one of the show's oldest ever contestants for a new series in the Celebrity Big Brother house.

The Channel 5 show includes US boxer Evander Holyfield, above, Apprentice reject Luisa Zissman, Sam Faiers from The Only Way Is Essex, Made In Chelsea's Ollie Locke, journalist Liz Jones, singer Linda Nolan and 82-year-old entertainer Lionel Blair.