Originally Posted By: The Last Woltz
If memory serves, you see Michael driven to Kay's by bodyguards. But I believe a cab drops him off at the hospital.

So he probably told the bodyguards he was staying with Kay overnight and they left.

That's cause the body guards left Michael to do their cameo in Annie Hall.

"Io sono stanco, sono imbigliato, and I wan't everyone here to know, there ain't gonna be no trouble from me..Don Corleone..Cicc' a port!"

"I stood in the courtroom like a fool."

"I am Constanza: Lord of the idiots."