She was invited to join the panel by David Marmel, Chairman of the Mrs. World 2011 Pageant.
Dr Hong, winner of the Mrs. Congeniality title at Mrs World 2005, said she will try to introduce the best image of Vietnam and its people to Americans and the world.
She was invited earlier to be the first Vietnamese member of the jury for the final round of the 2011 Mrs. America Pageant in April this year.