Dashboard Confessional were in London performing some intimate shows to celebrate their 20th anniversary, but fans at one of these gigs got a surprise when Matty Healy of the 1975 joined the show to cover his band’s 2013 song ‘Sex’. You can watch clip that Rock Sound shared below. It’s a good appetizer for the sold-out Nights We Stole Christmas show with the 1975 at the Byline Bank Aragon Ballroom, enter to win your way in here.

Watch: The 1975’s Matty Healy just joined Dashboard Confessional on stage for his cover of ‘Sex’ pic.twitter.com/bcRDVeSiSY

— Rock Sound (@rocksound) November 14, 2019

Matty and DC’s Chirs Carraba have both performed in the Lounge, watch some of those memorable performances below.