01:50Hilary Clinton burst out laughing after Michelle Obama made a dig at Donald Trump during a heartfelt speech to her husband Barack.On Thursday (18 June), the former first lady praised her husband’s accomplishments during the opening of the new Obama Presidential Center in Chicago.Ms Obama said that one of his greatest achievements was him "winning the Nobel Peace Prize”, an apparent dig at Mr Trump who has long coveted the award.The crowd erupted into a huge cheer at the remark, whilst Ms Clinton, who was sat behind Mr Obama, started howling with laughter after the former president made an inaudible remark to her.In 2009, the then-president was awarded the prize for his “extraordinary efforts to strengthen international diplomacy and cooperation between peoples”.Up next