Last two - help please !
13a "Christmastide presents of theatre seats"(5) *O*E* (? Doves, but why?)
25a "Christmas spirit always surrounds her"(4) *I*(R?)
I'd never heard that name before, but if it's right I am in trouble with another clue - "Run out of decorations in packets, perhaps"(8) - I offered "Starless" but wasn't really happy with it (The final letter of "Piri" fits where the "R" is