First lady Melania Trump holds hands with Declan McCahan as she arrives to read a Christmas book to children at Children's National Hospital, Friday, Dec. 6, 2019, in Washington. (AP Photo/Jacquelyn Martin)

First lady Melania Trump reads a Christmas book to children as she is seated between patients at Children's National Hospital, Sammie Burley, left, and Declan McCahan, right, Friday, Dec. 6, 2019, in Washington. (AP Photo/Jacquelyn Martin)

First lady Melania Trump smiles as she is thanked after reading a Christmas book to children while seated between two patients at Children's National Hospital, Sammie Burley, left, and Declan McCahan, Friday, Dec. 6, 2019, at the hospital in Washington. (AP Photo/Jacquelyn Martin)

US First Lady Melania Trump reads the book, "Oliver the Ornament Meets Belle", alongside patients Sammie Burley (L) and Declan McCahan (R), during a visit to Children's National Hospital in Washington, DC, December 6, 2019. (Photo by SAUL LOEB / AFP)

US First Lady Melania Trump arrives to read the book, "Oliver the Ornament Meets Belle", with patient Declan McCahan, during a visit to Children's National Hospital in Washington, DC, December 6, 2019. (Photo by SAUL LOEB / AFP)

US First Lady Melania Trump arrives to read the book, "Oliver the Ornament Meets Belle", during a visit to Children's National Hospital in Washington, DC, December 6, 2019. (Photo by SAUL LOEB / AFP)

US First Lady Melania Trump greets patients after reading a book to children during a visit to Children's National Hospital in Washington, DC, December 6, 2019. (Photo by SAUL LOEB / AFP)

US First Lady Melania Trump receives flowers from patient Declan McCahan after reading a book during a visit to Children's National Hospital in Washington, DC, December 6, 2019. (Photo by SAUL LOEB / AFP)

US First Lady Melania Trump reads the book, "Oliver the Ornament Meets Belle" alongside patients Sammie Burley (L) during a visit to Children's National Hospital in Washington, DC, December 6, 2019. (Photo by SAUL LOEB / AFP)

Shoes of U.S. First Lady Melania Trump are seen as she visits Children's National Hospital in Washington on December 6, 2019. Photo by Yuri Gripas/ABACAPRESS.COM

U.S. First Lady Melania Trump greets the audience after reading ??sOliver the Ornament Meets Belle??? to little patients at Children's National Hospital in Washington on December 6, 2019. Melania Trump continues a tradition followed by every First Lady since Elizabeth ??sBess??? Truman over 60 years ago. Photo by Yuri Gripas/ABACAPRESS.COM

U.S. First Lady Melania Trump greets the audience after reading ??sOliver the Ornament Meets Belle??? to little patients at Children's National Hospital in Washington on December 6, 2019. Melania Trump continues a tradition followed by every First Lady since Elizabeth ??sBess??? Truman over 60 years ago. Photo by Yuri Gripas/ABACAPRESS.COM

U.S. First Lady Melania Trump reads ????sOliver the Ornament Meets Belle????? to little patients at Children's National Hospital in Washington on December 6, 2019. which continues a tradition followed by every First Lady since Elizabeth ????sBess????? Truman over 60 years ago. Melania Trump continues a tradition followed by every First Lady since Elizabeth ????sBess????? Truman over 60 years ago. Photo by Yuri Gripas/ABACAPRESS.COM

U.S. First Lady Melania Trump reads ????sOliver the Ornament Meets Belle????? to little patients at Children's National Hospital in Washington on December 6, 2019. which continues a tradition followed by every First Lady since Elizabeth ????sBess????? Truman over 60 years ago. Melania Trump continues a tradition followed by every First Lady since Elizabeth ????sBess????? Truman over 60 years ago. Photo by Yuri Gripas/ABACAPRESS.COM

U.S. First Lady Melania Trump greets the audience after reading ????sOliver the Ornament Meets Belle????? to little patients at Children's National Hospital in Washington on December 6, 2019. which continues a tradition followed by every First Lady since Elizabeth ????sBess????? Truman over 60 years ago. Melania Trump continues a tradition followed by every First Lady since Elizabeth ????sBess????? Truman over 60 years ago. Photo by Yuri Gripas/ABACAPRESS.COM

U.S. First Lady Melania Trump waits to read ????sOliver the Ornament Meets Belle????? to little patients at Children's National Hospital in Washington on December 6, 2019. which continues a tradition followed by every First Lady since Elizabeth ????sBess????? Truman over 60 years ago. Melania Trump continues a tradition followed by every First Lady since Elizabeth ????sBess????? Truman over 60 years ago. Photo by Yuri Gripas/ABACAPRESS.COM

U.S. First Lady Melania Trump reads ??sOliver the Ornament Meets Belle??? to little patients at Children's National Hospital in Washington on December 6, 2019. which continues a tradition followed by every First Lady since Elizabeth ??sBess??? Truman over 60 years ago. Melania Trump continues a tradition followed by every First Lady since Elizabeth ??sBess??? Truman over 60 years ago. Photo by Yuri Gripas/ABACAPRESS.COM

U.S. First Lady Melania Trump greets patients after reading ????sOliver the Ornament Meets Belle????? to little patients at Children's National Hospital in Washington on December 6, 2019. Melania Trump continues a tradition followed by every First Lady since Elizabeth ????sBess????? Truman over 60 years ago. Photo by Yuri Gripas/ABACAPRESS.COM

U.S. First Lady Melania Trump greets patients after reading ????sOliver the Ornament Meets Belle????? to little patients at Children's National Hospital in Washington on December 6, 2019. Melania Trump continues a tradition followed by every First Lady since Elizabeth ????sBess????? Truman over 60 years ago. Photo by Yuri Gripas/ABACAPRESS.COM

U.S. First Lady Melania Trump waits to read ????sOliver the Ornament Meets Belle????? to little patients at Children's National Hospital in Washington on December 6, 2019. which continues a tradition followed by every First Lady since Elizabeth ????sBess????? Truman over 60 years ago. Melania Trump continues a tradition followed by every First Lady since Elizabeth ????sBess????? Truman over 60 years ago. Photo by Yuri Gripas/ABACAPRESS.COM

U.S. First Lady Melania Trump reads ????sOliver the Ornament Meets Belle????? to little patients at Children's National Hospital in Washington on December 6, 2019. which continues a tradition followed by every First Lady since Elizabeth ????sBess????? Truman over 60 years ago. Melania Trump continues a tradition followed by every First Lady since Elizabeth ????sBess????? Truman over 60 years ago. Photo by Yuri Gripas/ABACAPRESS.COM

U.S. First Lady Melania Trump reads ????sOliver the Ornament Meets Belle????? to little patients at Children's National Hospital in Washington on December 6, 2019. which continues a tradition followed by every First Lady since Elizabeth ????sBess????? Truman over 60 years ago. Melania Trump continues a tradition followed by every First Lady since Elizabeth ????sBess????? Truman over 60 years ago. Photo by Yuri Gripas/ABACAPRESS.COM