When the party has been going on for a few hours but no one has left yet, everyone is called into the main room. (The dragons will have a sufficient view if they prefer to perch at the outer doors.)
Angela has worked out a ceremony that will satisfy the involved parties, a reworking of standard Samarian traditions with some revised wording and adjustments for the fact that the groom inhabits two bodies. This ceremony, unlike the elven one, doesn't involve any jewelry.
And then Sarion and her beloved are married. Again.