Jessie J has appeared on the major UK charity telethons, Children in Need and Comic Relief, both broadcast on the BBC. She confirmed on 2 August 2011 that she would be shaving her hair off for charity in 2012. Speaking via her official Twitter account she said: "It’s hair, It will grow back. Even if it takes 2 years, if it saves lives it’s worth it. Even if its 1 life that’s something."[82] On 15 March 2013, Jessie's head was shaved live during Red Nose Day 2013, helping to raise money for Comic Relief.[83][84]
In November 2011, Jessie J performed "Nobody's Perfect" at the charity concert Children in Need Rocks Manchester held at the Manchester Arena to raise money for Children in Need 2011.[85][86] Jessie J is a supporter of UK children's charity Believe in Magic, a charity that grants wishes to terminally ill children across the UK.[87] In July 2012 she performed "Laserlight" on stage with a 7 year old fan, leukaemia sufferer Daniel Sullivan, who would pass away four months later.[87]