I am sorry for your pain over this, TJP. It is so painful to stick to our boundaries around holidays, birthdays, anniversaries...all those emotionally-laden times of year when we codies just want to love everyone regardless...
If I were in your shoes, I'd be sad, too, but comforted to have the chance to do something together that day. A movie and a meal sounds like a good option. I hope you can move past the sorrow--because it is really about him stealing and not about the holiday--hold your ground and enjoy some time that day.
Take care.