Article continues below advertisementDonald Trump insisted wife Melania's upcoming documentary is "incredible," though the president confessed he has yet to watch the full film ahead of it's debut.Speaking to reporters aboard Air Force One on Sunday, January 11, he said, "I've seen pieces of it. It's incredible, I'll tell ya." Donald, 79, then added that the movie "seems to be captivating a lot of people's attention." "It's a very hard ticket...everybody wants tickets," he declared, referring to the Thursday, January 29, premiere at the historic Kennedy Center in Washington, D.C.