Katy Perry announced the opening acts for the highly-anticipated UK & European leg of WITNESS: The Tour. The European tour will kick off on 23 May, 2018 at LANXESS arena in Cologne, Germany and the only one concert in Spain, which will take place on Thursday, June 28th at Palau Sant Jordi in Barcelona. For this concert, Katy Perry will be supported by the actress and singer Hailee Steinfeld who will be the opening act for the Barcelona show as guest artist.

Tickets will be available from 10am (CET) on Wednesday 7th of March at doctormusic.com (*) and ticketmaster.es. Also in Fnac outlets, Viajes Carrefour, Halcón Viajes and by phone at 0034 93 275 22 94. Ticket prices will be 62 Euros for GA standing and 45 Euros, 62 Euros and 88 Euros for seated tickets (VAT incl, booking fees not included). There will also be available Premium Pit and Premium Seat tickets for 105 Euros (VAT incl, booking fees not included) and VIP packages. There will be a maximum of 6 tickets permitted per purchase.

Hailee Steinfeld quickly cemented herself as a force to be reckoned with in pop music with a series of hits such as the 2015 platinum-certified debut single 'Love Myself' the double platinum-selling smash 'Starving' with Grey [feat. Zedd], and the platinum-selling summer anthem 'Most Girls' To date, the multiplatinum-selling artist has amassed a total of nearly 2 billion streams globally. The single 'Let Me Go' paired her with one of country music’s best-selling acts Florida Georgia Line with production by Grammy nominated DJ and producer Alesso and critically acclaimed songwriter and artist watt. The song debuted in the Top 10 of Billboard’s Hot Dance/Electronic Songs chart and is currently Top 15 at Top 40 radio, where it continues to climb. In early 2018, she contributed 'Capital Letters' to the newly released Fifty Shades Freed Original Soundtrack. Up next, she joins Kelly Clarkson as a guest advisor on NBC’s The Voice.

In addition to her thriving music career, Hailee Steinfeld is an Academy® Award-nominated and critically acclaimed leading actress. In 2016, she starred in one of the year’s best-reviewed films, The Edge of Seventeen. Her performance earned her two Critics’ Choice Award nominations and a Golden Globe® nomination in the category “Best Performance by an Actress in a Motion Picture – Musical or Comedy.” Steinfeld recently starred in the blockbuster Pitch Perfect 3 and wrapped production on her next film, Paramount's Bumblebee—the first spin-off in the newly created Transformers universe and will be in theaters later this year.