SO did a 60th surprise for me.
She had me completely fooled. She had me thinking it was a brunch for a friend of hers and I didn't have a clue until we pulled up and my sister and BIL were walking in at the same time. Then my youngest was in the lobby. I finally figured it out.
"If you want to make an apple pie from scratch, you must first create the universe." -Carl Sagan