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Jack Lawless
Lawless, 29, was the drummer for the Jonas Brothers since early 2007. In 2008, he performed on Demi Lovato's debut album, Don't Forget. Before DNCE, Lawless was in Ocean Grove with Greg Garbowsky. He began his drumming career as a teenager. When asked by Interview Magazine if the group had been in the works for a long time, Lawless responded, "Joe and I have been talking about this since we were touring with The Jonas Brothers." (Getty)