"This is Isaac, this is my lawyer," Schumer said, as he handed her a document from his briefcase. "This is an actually, legally binding adoption form, so that we can make this real! So that I can be your daughter in the eyes of the law and everybody."
Schumer tried to hand the legal document to Hawn, who tried to come up with a valid reason to forgo singing.
"Well, you know, I don't have a pen!" Hawn said, laughing nervously.
"Oh, that's not a problem! Actually, we have a pen," Schumer said as Isaac opened up suit jacket to show that it was lined with dozens of ballpoint pens.
"Oh… well, that is so crazy…" Hawn stammered, before figuring out that the only way to get out of this is to begin listing the category nominees, as Schumer looked on confused and somewhat disappointed.
"I just approached her on a plane and she is very sweet, she is a lot nicer than me," Schumer explained. "I was like, 'Yeah, I want you to be in a movie with me.' And she was like, 'OK, honey.'" Check out the video below to hear more.