Former U.S. President Barack Obama and former first lady Michelle Obama attend the unveiling of their official White House portraits, painted by Robert McCurdy and Sharon Sprung, respectively, in the East Room of the White House, in Washington, U.S., September, 7, 2022. REUTERS/Evelyn Hockstein

Former U.S. President Barack Obama and former first lady Michelle Obama react during the unveiling of their official White House portraits, painted by Robert McCurdy and Sharon Sprung, respectively, in the East Room of the White House, in Washington, U.S., September, 7, 2022. REUTERS/Evelyn Hockstein

Former U.S. President Barack Obama and former first lady Michelle Obama kiss during the unveiling of their official White House portraits, painted by Robert McCurdy and Sharon Sprung, respectively, in the East Room of the White House, in Washington, U.S., September, 7, 2022. REUTERS/Evelyn Hockstein

U.S. President Joe Biden and first lady Jill Biden host former U.S. President Barack Obama and former first lady Michelle Obama for the unveiling of their official White House portraits, painted by Robert McCurdy and Sharon Sprung, respectively, in the East Room of the White House, in Washington, U.S., September, 7, 2022. REUTERS/Evelyn Hockstein

Former U.S. President Barack Obama kisses former first lady Michelle Obama during the unveiling of their official White House portraits, painted by Robert McCurdy and Sharon Sprung, respectively, in the East Room of the White House, in Washington, U.S., September, 7, 2022. REUTERS/Evelyn Hockstein

Former U.S. President Barack Obama and former first lady Michelle Obama react during the unveiling of their official White House portraits, painted by Robert McCurdy and Sharon Sprung, respectively, in the East Room of the White House, in Washington, U.S., September, 7, 2022. REUTERS/Evelyn Hockstein

Former U.S. President Barack Obama speaks during the unveiling of his and former first lady Michelle Obama's official White House portraits, painted by Robert McCurdy and Sharon Sprung, respectively, in the East Room of the White House, in Washington, U.S., September, 7, 2022. REUTERS/Evelyn Hockstein

Former U.S. President Barack Obama reacts as he attends the unveiling of his and former first lady Michelle Obama's official White House portraits, painted by Robert McCurdy and Sharon Sprung, respectively, in the East Room of the White House, in Washington, U.S., September, 7, 2022. REUTERS/Evelyn Hockstein

Former U.S. first lady Michelle Obama embraces U.S. first lady Jill Biden the unveiling of Michelle's and former U.S. President Barack Obama's official White House portraits, painted by Sharon Sprung and Robert McCurdy respectively, in the East Room of the White House, in Washington, U.S., September, 7, 2022. REUTERS/Evelyn Hockstein

Artists Robert McCurdy and Sharon Sprung, who painted the official White House portraits of former U.S. President Barack Obama and former first lady Michelle Obama, respectively, attend the unveiling ceremony in the East Room of the White House, in Washington, U.S., September, 7, 2022. REUTERS/Evelyn Hockstein

Former U.S. President Barack Obama and former first lady Michelle Obama react during the unveiling of their official White House portraits, painted by Robert McCurdy and Sharon Sprung, respectively, in the East Room of the White House, in Washington, U.S., September, 7, 2022. REUTERS/Evelyn Hockstein

Former U.S. President Barack Obama and former first lady Michelle Obama unveil their official White House portraits, painted by Robert McCurdy and Sharon Sprung, respectively, in the East Room of the White House, in Washington, U.S., September, 7, 2022. REUTERS/Evelyn Hockstein

Former U.S. President Barack Obama reacts during the unveiling of his and former first lady Michelle Obama's official White House portraits, painted by Robert McCurdy and Sharon Sprung, respectively, in the East Room of the White House, in Washington, U.S., September, 7, 2022. REUTERS/Evelyn Hockstein

Former U.S. first lady Michelle Obama poses next to her official White House portrait, painted by Sharon Sprung, in the East Room of the White House, in Washington, U.S., September, 7, 2022. REUTERS/Evelyn Hockstein

Artist Robert McCurdy, who painted the official White House portrait of former U.S. President Barack Obama, attends its unveiling ceremony in the East Room of the White House, in Washington, U.S., September 7, 2022. REUTERS/Evelyn Hockstein