The announcement follows the release of latest single 'OK'
The new track has been shared ahead of their appearances at Reading and Leeds Festival this weekend.
WILLOW, Frank Carter & the Rattlesnakes, All Time Low, Poppy and more are confirmed.
The newly announced tour follows the band's sold-out four-date run in the UK later this year.
The track is taken from the Canadian duo's recently released debut album, 'BUMMER'.
The track is taken from their forthcoming debut album 'BUMMER' which is set for release in June.
The track is taken from the duo's upcoming debut album, 'BUMMER' - watch the video here.
The duo have also launched a game alongside their new single - find out more here.
Check out the lyric video for the Canadian duo's new single here.
'GOOD GRIEF' is the first single from the duo's forthcoming debut album.