In 2009, Dixon climbed Mount Kilimanjaro in Tanzania for Comic Relief with Girls Aloud members Cheryl Cole and Kimberley Walsh, Ben Shephard, Ronan Keating, Fearne Cotton, Denise Van Outen, Chris Moyles and Gary Barlow, who had spearheaded the project.
Dixon is a patron of the African-Caribbean Leukaemia Trust (ACLT)[REF] which is a voluntary charity, whose main aim is to increase the number of Black and Mixed Parentage people on the UK Bone Marrow Register.