Van Outen has lent her support to design limited edition T-shirts or vests for the 'Little Tee Campaign' for Breast Cancer Care which donates money for breast cancer research. She continues to support Breast Cancer Charities andGreat Ormond Street Hospital. In 2009 van Outen climbed Mt Kilimanjaro for Comic Relief. Joining her on the climb were Girls Aloud members Cheryl Cole and Kimberley Walsh, Fearne Cotton, Ben Shephard, Gary Barlow, Ronan Keating, Alesha Dixon and Chris Moyles. In 2010, van Outen along with Fearne Cotton and Alexandra Burke did the Inca Trek in Peru for Breast Cancer Care.