See the highlights of 40 hours of GMA that included guests from Celine Dion to Pitbull and One Direction.br See the highlights and memorable moments from the GMA 40-hour livestream marathon.br See the highlights of 40 hours of GMA that included guests from Celine Dion to Pitbull and One Direction. See the highlights and memorable moments from the .br See the highlights of 40 hours of GMA that included guests from Celine Dion to Pitbull and One Direction. See the highlights and memorable moments from the .