He says, "I'm standing in front of this 80 foot poster and I'm on the poster and I go up to him and I'm really shy and I go, 'Hey, Mr. Aldrin, it's nice to meet you,' and he goes, 'Who are you son?' And he wouldn't, like, engage me right away. The publicist worked it out."
But LaBeouf was so nervous to meet the astronaut, he fears he let himself down with bad questions: "I asked him, like, two or three questions and none of them were interesting. I was mad (really) embarrassed."