Biffy Clyro will support Guns N' Roses at some of their European shows.
Simon, James and Ben will join the (other) legendary hellraisers at their huge Copenhagen, Prague, Paris and Nijmegen gigs.
GN'R's UK and Irish dates are below. In London they'll be supported by The Kills and Tyler Bryant & The Shakedown. In Dublin, it'll be Royal Blood, Mark Lanegan and Otherkin.
Their tour looks like this:
27 - DUBLIN Slane Castle
16 - LONDON London Stadium
17 - LONDON London Stadium
Biffy will headline Download Festival, which takes place 9-11 June.