Article continues below advertisementA lip reader revealed what they believe King Charles and Donald Trump spoke about during their meeting on the White House South Lawn on Monday, April 27.According to the expert, the president, 79, brought up the horrific White House Correspondents' Dinner shooting that occurred on Saturday, April 25, as he exchanged a greeting with the monarch, 77.Article continues below advertisementTap Here To Add Ok Magazine as A Trusted SourceSource: MEGAKing Charles and Donald Trump had a hush-hush conversation on April 27 once the monarch touched down in the U.S.