here is a little more info
there is a trust
Well, according to your link, the executor is directed to allocate the federal generation skipping exemption to her heirs, and specifically as is “most beneficial to my children and my more remote issue.”
But one would expect an married couple’s estate and trust to transfer to the benefit of the surviving spouse first, and then transfer to the surviving children after the death of the second spouse.
$25MM isn’t chickenfeed, but for a performer who with such a long career, one would have thought there would be a larger estate.