Joe Jonas boa steakhouse sunglasses parking garage

Joe Jonas arrived at Boa for a lunch meeting on Thursday, and the 24-year-old musician appeared to be in good spirits, despite the rumors swirling that he's the one responsible for the cancellation of the Jonas Brothers tour last week.

Just two days before they were set to kick off their tour in Pennsylvania, the band's rep announced that they had pulled the plug, adding in a statement, "There is a deep rift within the band. There was a big disagreement over their music direction."

Joe was then seen out with renowned sober coach Mike Bayer, who once worked with Demi Lovato after her infamous meltdown and is "well known for quickly responding to crisis situations," typically involving substance abuse or mental health issues. Over the last 48 hours several websites have reported that Joe is battling a major substance abuse problem, with BlindGossip even suggesting that the star was using heroin. Yikes!

On Wednesday night the group deleted their Twitter account, further fueling speculation that they had broken up. "They are not getting along at all. It's uglier than you think," a music industry source told People. "They are each looking into solo projects. Nick and the Administration are working on another album. They are moving forward away from the Jonas Brothers. I think this is the beginning of the end."