o    Unless the will states that it is made “in contemplation of marriage”, marriage cancels a will so you now have no will - if you die without making a new will, Intestacy would apply to you.
o    Divorce does not invalidate a will but any legacy to the former spouse is dealt with as if they had already died (which is probably how you feel anyway).  If you want to provide for an ex spouse the will would have to be very specific.  I suggest words like 'This clause is intended to apply even though I have divorced ...'