For a middle name for a Werchter Boutique-2020 is on Saturday, June 20, to take place in the Festivalpark in Werchter. Is that Taylor Swift is the dagfestival will headlinen is already known. 5 Seconds of Summer -short-5SOS – is now a second name to be known. Tickets for Werchter Boutique in 2020 and are on sale via proximusgoformusic.be and ticketmaster.be. The festival line-up will soon be completed.