Werchter Boutique will be in 2020, it is a one-time read. And there’s a good reason for that: They Eilish. She is the headliner of the dagfestival Werchter Boutique, a pop-up will be on Sunday the 19th of July to take place in the Festivalpark in Werchter. Actress Eilish tours from 10 July for a short time in Europe. Along the arena’s and festivals. Along at the Festivalpark in Werchter. Tickets for Werchter Boutique, a pop-up with the Actress Eilish Friday, October 4, at 9. to be on sale through ticketmaster.be and proximusgoformusic.be. The line-up at Werchter Boutique, a pop-up will soon be completed.