One of the UK’s biggest boybands will be playing a “brand new show” for Kent fans this summer. JLS, who found fame on the X Factor in 2008, will perform a headline set of greatest hits on the Dreamland stage. It’s part of this year’s Margate Summer Series, which has already seen the likes of Bryan Adams, Limp Bizkit, Madness and Simple Minds perform at the open-air venue. Aston Merrygold, Oritsé Williams, Marvin Humes and JB Gill – who now lives on a farm in Sevenoaks \- won two BRIT Awards and achieved five No. 1 singles after finishing as runners-up to Alexandra Burke on the ITV singing show…