With a chance to make a better second impression in the Oval Office, gratitude diplomacy was front and center for Zelenskyy. In addition to thanking the president six times, Zelenskyy extended gratitude to Melania Trump for personally writing to Russian President Vladimir Putin to think about the Ukrainian children and urge peace.

White House press secretary Karoline Leavitt said on Tuesday that Russian President Vladimir Putin has promised to meet with Ukrainian President Volodymyr Zelenskyy.

European leaders will join Ukraine's President Volodymyr Zelenskyy for his crucial meeting with President Trump in Washington on Monday.