A couple of years ago I went to a little extra trouble and made «place cards» with childhood pictures of everyone. (theinspiredroom.net)
One lucky year I got the box with both mine and my brother's childhood picture ornaments and I was able to put mine at the back before he noticed anything. (thechrisellefactor.com)
Oh, and stockpiling «fake happy childhood pictures» and not winning an Oscar, «the marriage kiss of death.» (entrepreneur.com)