Join a massive line-up of comedy stars for a stupendous evening to fight against brain tumours. Brain tumours are the biggest cancer killer for children and adults under 40 and increased funding for research is desperately needed. All box office income will go straight to The Brain Tumour Charity and Underbelly will match this amount as a donation to the charity, doubling the amount that we can raise. Now returning for its 7th year, last year's line-up included Dara O'Briain, Rose Matafeo, Carl Donnelly, Angela Barnes and Milton Jones. Check UnderbellyEdinburgh.co.uk for this year's acts.