The 51-year-old who lives near Banbury was relieved of his Red Bull team principal role last month after 20 years of service. Mr Horner had been team principal at Red Bull since 2005, overseeing eight drivers’ world championships and six constructors’ titles. The Formula 1 star resides in a £9.2m mansion with his wife, Geri Halliwell-Horner, on the Oxfordshire border with Northamptonshire. READ MORE: Jeremy Clarkson's net worth revealed after harvest strugglesChristian Horner left Red Bull in the summer. Now, according to the Daily Mail, the celebrity couple have made a decision to embark on a road trip around Scotland.