Before the show, buy her one of the shirts. Do not ask her. Just lead her to the shirts and ask her which one she wants. If you see one you like, get yourself one as well. If money is tight, do not buy one for yourself, just her.
"What is best for my kids is best for me" Amor Fati Link to quotes: https://www.divorcebusting.com/forums/ubbthreads.php?ubb=showflat&Number=2879712