Slam Dunk Festival has confirmed the 2023 event will be headlined by Enter Shikari and The Offspring.Slam Dunk will be returning to Hatfield Park on 27 May and Leeds Temple Newsam on 28 May. Joining Enter Shikari and The Offspring will be Creeper, Billy Talent and Bowling For Soup.The festival has also confirmed exclusive reunions from The Academy Is and Kids In Glass Houses, who will celebrating the 15th anniversary of debut album ‘Smart Casual’.“Slam Dunk 2008 fell a day before Smart Casual was released and marked the start of a pretty unforgettable journey for our band,” said vocalist Aled Phillips.“It feels very fitting that 15 years later to the day we can come back and celebrate a special part of our career at Slam Dunk 2023.