Denis Leary’s annual charity benefit Comics Come Home celebrated its 20th anniversary this weekend up in Boston. The longest running comedy benefit in America gathered at the TD Gardens Saturday night. For the second year in a row, The Laugh Button has been granted exclusive backstage access to the action. The stellar lineup for the 20th anniversary Leary hosted Bill Burr, Lenny Clarke, Jimmy Fallon, Robert Kelly, Jim Gaffigan, Marc Maron, Joe Yannetty, and Tony V. There were also a few other celeb drop ins which included Cam Neeley (whose foundation the benefit was for) and Michael J. Fox.