Kirsty Allsopp is the eldest daughter of Lord Hindlip, former chairman of Christie's.
Phil Spencer and Kirstie Allsopp run property search company, Garrington Home Finders and present various channel 4 property shows including Location, Location, Location and Relocation, Relocation.
Kirstie told Richard and Judy that she regards Phil Spencer as her best friend.
In February 2007 Kirstie Allsopp fronted Cancer Research's Britain's Bigger Breakfast campaign.
Kirstie Allsopp is married to multimillionaire property developer Ben Anderson.
In August 2008 Kirstie Allsopp gave birth to their second child.
Kirstie Allsopp was appointed an adviser to the Conservative Party's shadow housing minister Grant Shapps, trying to develop a way to make it easier to buy and sell houses.
In April 2009 Kirstie Allsopp began presenting a news series, Kirstie's Homemade Home, on Channel 4.