The all but certain Guns N' Roses reunion hit a speed bump on Monday (1/4) when Slash confirmed it with a photo but Axl Rose reportedly cancelled his expected announcement of the reunion on Tuesday's Jimmy Kimmel Live show. The Slash photo and the announcement by organizers of  Coachella that GNR will headline the 2016 Festival make it a virtual lock that the reunion is on, but Slash stealing Axl's thunder could be the first sign the two won't stay on the same page very long.

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