Underbelly Festival programmes live entertainment and shows across an outdoor summer festival in Cavendish Square, Westminster. The festival brings a curated lineup of performances to London's West End each summer, alongside premium street food vendors. Seating is unallocated within ticket price bands, and tickets can be purchased online or at the box office on the day. Entry to the festival grounds is free; individual shows are ticketed. Group bookings of 10 or more receive a 10 percent discount. Children of all ages are welcome with adult supervision.